Peer Reviewed Publications

1. Ngumbi E., Hanks, L.M., Suarez, A.V., Millar, J.G. and Berenbaum, M.R. (2019). Factors associated with variation in cuticular hydrocarbon profiles in the Navel Orangeworm, Amyelois transitella (Lepidoptera:Pyralidae). Journal of Chemical Ecology. https://link.springer.com/article/10.1007/s10886-019-01129-6

2. Joseph, D.O., Zebelo, S., Ngumbi, E. and Fadamiro, H.Y. (2017). cis-Jasmone primes defense pathways in tomato via emission of volatile organic compounds and regulation of genes with consequences for Spodoptera exigua oviposition. Arthropod-Plant Interactions. doi:10.1007/s11829-017-9503-y.

3. Ngumbi E. and Kloepper, J.W. (2016). Bacterial-mediated drought tolerance: Current and future prospects. Applied Soil Ecology. 105: 109-125.

4. Ngumbi, E. and Fadamiro, H.Y. (2014). Comparative responses of four Pseudacteon phorid fly species to host fire ant alarm pheromone and analogs. Chemoecology. 25: 85-92.

5. Sims, S.R., Balusu, R.R., Ngumbi, E.N. and Appel, A.G. (2014). Topical and vapor toxicity of saturated fatty acids to the german cockroach (Dictyoptera: Blattellidae). Journal of Economic Entomology. 107: 758-763.

6. Ngumbi, E. and Fadamiro, H.Y. (2012). Species and sexual differences in behavioural responses of a specialist and generalist parasitoid species to host-related volatiles. Bulletin of Entomological Research. 102: 710-718.

7. Ngumbi, E., Jordan, M., and Fadamiro, H.Y. (2012). Comparison of associative learning of host-related plant volatiles in two parasitoids with different degrees of host specificity, Cotesia marginiventris and Microplitis croceipes. Chemoecology. 22: 207-215.

8. Ngumbi, E., Chen, L. and Fadamiro, H.Y. (2010). Electroantennogram (EAG) responses of Microplitis croceipes and Cotesia marginiventris and their lepidopteran hosts to a wide array of odor stimuli: Correlation between EAG response and degree of host specificity?. Journal of Insect Physiology. 56: 1260–1268.

9. Ngumbi, E., Chen, L. and Fadamiro, H.Y. (2009). Comparative GC-EAD responses of a specialist (Microplitis croceipes) and a generalist (Cotesia marginiventris) parasitoid to cotton volatiles induced by two caterpillar species. Journal of Chemical Ecology. 35: 1009-1020.

10. Medina-Ortega, K.N., Bosque-Perez, N.A., Ngumbi, E., Jimenez-Martinez, E.S. and Eigenbrode, S.D. (2009). Rhopalosiphum padi (Hemiptera: Aphididae) responses to volatile cues from Barley yellow dwarf virus-infected wheat. Environmental Entomology. 38: 836-845.

11. Ngumbi, E., Eigenbrode, S.D., Bosque-Perèz, N.A., Ding, H. and Rodriguez, A. (2007). Myzus persicae is arrested more by blends than by individual compounds elevated in headspace of PLRV-infected potato. Journal of Chemical Ecology. 33: 1733-1747.

12. Kostyukovsky, M., Trostyanetsky, A., Ngumbi, E., Zohar, D., Kitain, S., Naftaliyahu, U. and Melamed, Y. (2006). The sunn pest Eurygaster integriceps in Israel: harmfulness and control. In: Abstracts of presentations at the 24th congress of the Israeli entomological society, May 17, 2005 ARO, The Volcani Center, Bet Dagan, Israel. Phytoparasitica. 34: 380-400.

13. Ngumbi, E.N., Ngi-Song, A.J., Njagi, E.N., Torto, R., Wadhams, L.J., Birkett, M.A., Pickett, J.A., Overholt, W.A. and Torto, B. (2005). Responses of the stem borer larval endoparasitoid Cotesia flavipes (Hymenoptera: Braconidae) to plant derived synomones: laboratory and field cage experiments. Biocontrol Science and Technology Journal. 15: 271-279.

Opinion Pieces 2020

1. WIRED: Science conferences are stuck in the dark ages: https://www.wired.com/story/opinion-science-conferences-are-stuck-in-the-dark-ages/

2. Project Syndicate: Putting a price on soil: https://www.project-syndicate.org/commentary/soil-agriculture-erosion-climate-regenerative-nitrogen-fertilizers-overgrazing-deforestation-by-esther-ngumbi-2020-01

3. Inter Press Service: In dealing with climate change: Foresight is key: https://www.ipsnews.net/2020/01/dealing-climate-change-foresight-key/

4. The Conversation: Lessons on how to effectively tackle insect invasions: https://theconversation.com/lessons-on-how-to-effectively-tackle-insect-invasions-129834

5. Inter Press Service: Amplifying voices of climate activists of color: https://www.ipsnews.net/2020/02/amplifying-voices-climate-activists-color/

6. The Conversation: How changes in weather patterns could lead to more insect invasions: https://theconversation.com/how-changes-in-weather-patterns-could-lead-to-more-insect-invasions-131917

7. Inter Press Service: Is our academic system ready for a new coronavirus normal? : https://www.ipsnews.net/2020/03/is-our-academic-system-eady-for-a-new-coronavirus-normal/

8. USA Today: Coronavirus closings: Are colleges helping their foreign, homeless and poor students?: https://www.usatoday.com/story/opinion/2020/03/17/coronavirus-closings-can-strand-poor-foreign-homeless-college-students-column/5054621002/?fbclid=IwAR18Gg5TgnroC-EggdG4L_g41syTwwDg_IPQie_-RH6bJN1yf7v-nHJqD6w

9. WIRED: The magic of teaching science labs isn’t lost online: https://www.wired.com/story/opinion-the-magic-of-teaching-science-labs-isnt-lost-online/

Opinion Pieces 2019

1. All Africa: Paving way for many more African inventors: https://allafrica.com/stories/201901080715.html

2. SciDev.Net: Why products of research findings matter: https://www.scidev.net/sub-saharan-africa/publishing/opinion/research-findings-matter.html

3. Medium: Girls can be Presidents: It begins with an education: https://medium.com/@estherngumbi_97155/girls-can-be-presidents-it-begins-with-an-education-81bc61637f2b?fbclid=IwAR1NdaPkSJe_h1-6voXYkHXMUa0t2xsWRkpCcQ6downAyvvmS3fol6QDBOQ

4. NPR: Growing up in Kenya really does not prepare you for Chicago’s deep freeze: https://www.npr.org/sections/goatsandsoda/2019/01/30/690069593/growing-up-in-kenya-really-does-not-prepare-you-for-chicagos-deep-freeze

5. Scientific American: Scientists need to talk to the public: https://blogs.scientificamerican.com/observations/scientists-need-to-talk-to-the-public/

6. Botany One: Do the small things to make a big difference: https://www.botany.one/2019/03/do-the-small-things-to-make-a-big-difference/

7. Inter Press Service: Becoming drought resilient: Why African farmers must consider drought tolerant crops: http://www.ipsnews.net/2019/03/becoming-drought-resilient-why-african-farmers-must-consider-drought-tolerant-crops/

8. All Africa: African Agriculture has a branding problem: Here’s how to fix it: https://allafrica.com/stories/201905210214.html

9. Inter Press Service: Fighting food insecurity in Africa – Lessons from the United States: http://www.ipsnews.net/2019/06/fighting-food-insecurity-in-africa-lessons-from-the-united-states/

10. Inter Press Service: Want to inspire more people to act on climate change? Broaden the framing: http://www.ipsnews.net/2019/07/want-inspire-people-act-climate-change-broaden-framing/

11. Mail & Guardian: Support African women working in agriculture: https://mg.co.za/article/2019-08-07-support-african-women-working-in-agriculture

12: Inter Press Service: Fighting climate change: We must not forget the soils: http://www.ipsnews.net/2019/09/fighting-climate-change-must-not-forget-soils/

13. All Africa: Africa: Tapping into mobile phones to advance Africa’s intelligence on global health and food security: https://allafrica.com/stories/201910080743.html

14. Nature: Banish hunger on university campuses: https://www.nature.com/articles/d41586-019-03011-7

15. Inter Press Service: Let plants be thy medicine- You are what you eat: http://www.ipsnews.net/2019/10/let-plants-be-thy-medicine-you-are-what-you-eat/

Opinion Pieces 2018

1. Medium: How to Make 2018 Your Best Year: https://medium.com/@estherngumbi_97155/how-to-make-2018-your-best-year-b1e9ce356d29

2. USA Today: I ‘m from a supposedly ‘s---hole’ country, and we should do more than get angry: https://www.usatoday.com/story/opinion/2018/01/22/immigrants-like-me-dont-get-mad-trump-help-africa-advance-esther-ngumbi-column/1042387001/

3. Scientific American: If you want to explain your science to the public, here's some advice: https://blogs.scientificamerican.com/observations/if-you-want-to-explain-your-science-to-the-public-heres-some-advice/

4. Inter Press Service: Climate change is hurting children the most: Here is how to protect them: http://www.ipsnews.net/2018/02/climate-change-is-hurting-children-the-most-here-is-how-to-protect-them/

5. Devex: We can make agricultural work attractive for Africa's youth. Here's how: https://www.devex.com/news/opinion-we-can-make-agricultural-work-attractive-for-africa-s-youth-here-s-how-91918

6. NPR: I didn't think there were many African women scientists. Then I checked twitter: https://www.npr.org/sections/goatsandsoda/2018/02/11/583628387/i-didnt-think-there-were-many-african-women-scientists-then-i-checked-twitter

7. World Policy Blog: How to solve Africa’s water paradox: https://worldpolicy.org/2018/03/20/how-to-solve-africas-water-paradox/

8. The Conversation: Why African farmers should balance pesticides with other control methods: https://theconversation.com/why-african-farmers-should-balance-pesticides-with-other-control-methods-93289

9. Scientific American: The joys of scientific outreach: https://blogs.scientificamerican.com/observations/the-joys-of-scientific-outreach/

10. All Africa: Scaling up game-changing agricultural innovations and technologies in Africa: https://allafrica.com/stories/201803280396.html

11. All Africa: African countries need to push climate smart agriculture: http://allafrica.com/stories/201805081072.html

12. SciDev.Net: Minimising further insect pests invasions in Africa https://www.scidev.net/sub-saharan-africa/agriculture/opinion/insect-pests-invasions-in-africa.html

13. Project Syndicate: Strengthening African science : https://www.project-syndicate.org/commentary/africa-low-research-and-development-spending-by-esther-ngumbi-2018-06

14. Mail &Guardian: Science will unlock Africa's potential - if funded: https://mg.co.za/article/2018-07-06-00-science-will-unlock-africas-potential-if-it-is-funded

15. Scientific American: We should reward scientists for communicating to the public: https://blogs.scientificamerican.com/observations/we-should-reward-scientists-for-communicating-to-the-public/

16. Mail &Guardian: Africa's youth, brimming with potential, must be nurtured: https://mg.co.za/article/2018-06-22-00-africas-youth-brimming-with-potential-must-be-nurtured

17. Agri Links: Learning from plant protection regulatory data and fall armyworm in Africa: https://www.agrilinks.org/post/learning-plant-protection-regulatory-data-and-fall-armyworm-africa

18. All Africa: Can Africa afford youth giving up on farming because of the hurdles they face? https://allafrica.com/stories/201807270742.html

19. The Conversation: African agriculture has a lot to gain from increased access to big data: https://theconversation.com/african-agriculture-has-a-lot-to-gain-from-increased-access-to-big-data-101400

20. TRT World Media: Unleashing the power of women farmers in Africa and beyond: https://www.trtworld.com/opinion/unleashing-the-power-of-women-farmers-in-africa-and-beyond-19883

21. NPR: Dear Melania Trump…A Kenyan and a Ghanaian offer advice for her Africa trip: https://www.npr.org/sections/goatsandsoda/2018/10/01/653345662/dear-melania-trump-a-kenyan-and-a-ghanaian-offer-advice-for-her-africa-trip

22. Inter Press Service: In the race to achieve zero hunger and mitigate climate change, we must look down – to the soil: http://www.ipsnews.net/2018/09/race-achieve-zero-hunger-mitigate-climate-change-must-look-soil/

23. Eco-Business: Tackling food waste is a $700 billion opportunity. Here’s how to seize it: https://www.eco-business.com/opinion/tackling-food-waste-is-a-700-billion-opportunity-heres-how-to-seize-it/

24. The New York Times: Alleviating child hunger: https://www.nytimes.com/2018/10/10/opinion/letters/child-hunger.html

25. The Conversation: How insects can help fight hunger in the world: https://theconversation.com/how-insects-can-help-fight-hunger-in-the-world-104951

26. Newsweek: Eating insects could help fight world hunger: https://www.newsweek.com/eating-insects-could-help-fight-world-hunger-1173856

27. Scientific American: Scientists are learning the power of outreach: https://blogs.scientificamerican.com/observations/scientists-are-learning-the-power-of-outreach/

28. Mail &Guardian: Turn Africa’s cities into vertical farms: https://mg.co.za/article/2018-11-16-00-turn-africas-cities-into-vertical-farms

29. All Africa: Angela Merkel has done much to help Africa; Her successor should continue the relationship: https://allafrica.com/stories/201811290744.html

30. Mail &Guardian: Ma Africa leads the way: https://mg.co.za/article/2018-12-14-00-ma-africa-leads-the-way

Opinion Pieces 2017

1: All Africa: To discover Africa’s biodiversity, look to the soil: http://allafrica.com/stories/201701130469.html

2. The Conversation: Why microbes are key to solving Africa’s food security crisis: https://theconversation.com/why-microbes-are-key-to-solving-africas-food-security-crisis-71719

3. Aljazeera: How to tackle repetitive droughts in the Horn of Africa:

http://www.aljazeera.com/indepth/opinion/2017/02/tackle-repetitive-droughts-horn-africa-170214090108648.html

4. World Policy Blog: Continuing the wins in soil health restoration in Africa:

http://www.worldpolicy.org/blog/2017/02/14/continuing-wins-soil-health-restoration-africa

5. Scientific American: Unlocking the power of African soil microbes: https://blogs.scientificamerican.com/guest-blog/unlocking-the-power-of-african-soil-microbes/

6. The Conversation: Africa needs its own version of the vertical farm to feed growing cities:

https://theconversation.com/africa-needs-its-own-version-of-the-vertical-farm-to-feed-growing-cities-74929

7. NPR: The big dreams of a first-time farmer: http://www.npr.org/sections/goatsandsoda/2017/04/03/521927273/the-big-dreams-of-a-first-time-farmer

8. World Policy Blog: Engaging our microbe allies in the battle against the fall armyworm in Africa: http://www.worldpolicy.org/blog/2017/04/11/engaging-our-microbe-allies-battle-against-fall-armyworm-africa

9. March for Science Blog: Building a lab with a wedding registry: https://medium.com/marchforscience-blog/building-a-lab-with-a-wedding-registry-6cef60be9211

10. SciDev.Net: Ending Africa's chronic hunger cycle: http://www.scidev.net/sub-saharan-africa/water/analysis-blog/africa-analysis-ending-africa-s-chronic-hunger-cycle.html

11. NPR: Why I stopped getting mad at my tough love mama: http://www.npr.org/sections/goatsandsoda/2017/05/14/527952219/why-i-stopped-getting-mad-at-my-tough-love-mama?utm_campaign=storyshare&utm_source=twitter.com&utm_medium=social

12. Devex: Unleashing Africa’s youth farmpreneurs: https://www.devex.com/news/opinion-unleashing-africa-s-youth-farmpreneurs-90258?CID=AGR_TT_agriculture_EN_EXT

13. The Huffington Post: Trump budget’s foreign aid cuts could undercut U.S. security: http://www.huffingtonpost.com/entry/59258cfbe4b0dfb1ca3a0ff5

14. Scientific American: A farmer and scientists take on Trump and the Paris climate agreements: https://blogs.scientificamerican.com/observations/a-farmer-and-scientists-take-on-trump-and-the-paris-climate-agreements/

15. Medium: The enormous challenge of sustainably feeding an expanding population: https://medium.com/@gmoanswers/challenge-sustainably-feeding-expanding-population-33bcee94757cn

16. The Conversation: Demonstration farms can help revolutionise African agriculture: https://theconversation.com/demonstration-farms-can-help-revolutionise-african-agriculture-79675

17. World Policy Blog: Farmers must adopt agricultural practices that improve soil health: http://www.worldpolicy.org/blog/2017/06/27/farmers-must-adopt-agricultural-practices-improve-soil-health

18. Scientific American: Scientists should talk directly to the public: https://blogs.scientificamerican.com/observations/scientists-should-talk-directly-to-the-public/

19. SciDev.Net: How Africa can prepare against the next El Niño and why? http://www.scidev.net/sub-saharan-africa/disasters/opinion/africa-prepare-against-next-el-ni-o-and-why.html

20. Project Syndicate: Soil science for a hungry planet: https://www.project-syndicate.org/commentary/agriculture-productivity-soil-microbe-technology-by-esther-ngumbi-2017-08

21. World Policy Blog: Stopping the menace of the fall armyworm: http://www.worldpolicy.org/blog/2017/09/12/stopping-menace-fall-armyworm

22. Mail &Guardian: Bring women farmers to the food security table: https://mg.co.za/article/2017-09-20-00-bring-women-farmers-to-the-food-security-table

23. Medium: Is the world getting better? Is there hope? https://medium.com/@EstherNgumbi/is-the-world-getting-better-is-there-hope-bc9dc1d58998

24. All Africa: A quality education must involve more than teaching to the test: http://allafrica.com/stories/201710090955.html

25. World Policy Blog: Rebooting subsistence agriculture in rural areas: http://www.worldpolicy.org/blog/2017/10/17/rebooting-subsistence-agriculture-rural-areas

26. Medium: Clinton Global University Initiative-2017 Meeting: https://medium.com/@EstherNgumbi/clinton-global-university-initiative-2017-meeting-9f16898383d8

27. Stanford Social Innovation Review: Growing urban agriculture: https://ssir.org/articles/entry/growing_urban_agriculture

28. World Policy Blog: To ensure food security, keep soils healthy. http://www.worldpolicy.org/blog/2017/12/12/ensure-food-security-keep-soils-healthy

29. All Africa: Africa: When climate policy fails on the ground: http://allafrica.com/stories/201712140408.html

30. The Conversation: More people went hungry in Africa in 2017. But new initiatives also bore fruit: https://theconversation.com/more-people-went-hungry-in-africa-in-2017-but-new-initiatives-also-bore-fruit-89059

31. NPR: Under 'Kenyan Time,' You're expected to arrive ... Oh, Whenever: https://www.npr.org/sections/goatsandsoda/2017/12/31/574537270/under-kenyan-time-you-re-expected-to-arrive-oh-whenever

Opinion Pieces 2016

1. The Huffington Post: Sixteen reasons to campaign for women’s rights in 2016:

http://www.huffingtonpost.com/aspen-new-voices-fellowship/sixteen-reasons-to-campai_b_9158138.html

2. The Good Men Project: Men: It’s Time to Take a Personal Stand: https://goodmenproject.com/featured-content/men-its-time-to-take-a-personal-stand-wcz/

3. This is Africa: Ending gender discrimination in land ownership:

http://www.thisisafricaonline.com/News/Ending-gender-discrimination-in-land-ownership?ct=true

4. Los Angeles Times: African farmers need the tools and technology to adapt to a changing climate: http://www.latimes.com/world/global-development/la-fg-global-african-farmers-oped-story.html

5. Chicago Council on Global Affairs: Helping African youth find opportunity in a changing climate:

https://www.thechicagocouncil.org/blog/global-food-thought/helping-africas-youth-find-opportunity-changing-climate

6. TIME Magazine: How dirt can help solve climate change: http://time.com/4338546/dirt-solve-climate-change/

7. Mail &Guardian: African farmers should think local:

http://mg.co.za/article/2016-04-27-african-farmers-should-think-local

8. Thomson Reuters Foundation: For a greener Green Revolution, restore soil health in Africa:

http://news.trust.org/item/20160614065602-osduy/

9. This is Africa: Farming’s bottleneck: Youth credit: http://www.thisisafricaonline.com/Development/Farming-s-bottleneck-Youth-credit

10. Medium: Girls can be Presidents-It begins with education: https://medium.com/@EstherNgumbi/girls-can-be-presidents-it-begins-with-education-2ecd41dfd6e7#.nrk305kl9

11. Medium: The United State of Women Summit: Girls at the Center: Understanding Obstacles and Exploring Solutions: https://medium.com/@EstherNgumbi/the-united-state-of-women-summit-girls-at-the-center-understanding-obstacles-and-exploring-91fc01d71039#.je39r9k9s

12. World Pulse: Three policy items women in leadership should undertake to improve women’s status globally: https://www.worldpulse.com/en/community/users/safecity/posts/69193

13. The Conversation: Africa needs to move faster to deliver life-saving soil science solutions: https://theconversation.com/africa-needs-to-move-faster-to-deliver-life-saving-soil-science-solutions-64757

14. BusinessDay Live: Microbial products hold promise to up crop yields: http://www.bdlive.co.za/opinion/2016/09/08/microbial-products-hold-promise-to-up-crop-yields

15. Inter Press Service: To effectively combat climate change, involve women: http://www.ipsnews.net/2016/09/to-effectively-combat-climate-change-involve-women/

16: Farming First: Driving agricultural innovation at the Kenyan Coast: https://farmingfirst.org/2016/09/esther-ngumbi-driving-agricultural-innovation-at-the-kenyan-coast/

17: Medium: White House champions of change celebrations: Extracurricular enrichment for marginalized girls: https://medium.com/@EstherNgumbi/white-house-champions-of-change-celebrations-extracurricular-enrichment-for-marginalized-girls-2df222490883#.8sos4d6vx

18: Medium: World Food Day Celebrations: https://medium.com/@EstherNgumbi/world-food-day-celebrations-e5e556e14fc7#.b9xmwn71o

19: SciDev.Net: Time is ripe to predict drought to help African farmers: http://www.scidev.net/sub-saharan-africa/disasters/opinion/predict-drought-help-african-farmers.html

20: Medium: A statement in support of United Nations World Soil Day-December 5, 2016: https://medium.com/@EstherNgumbi/a-statement-in-support-of-united-nations-world-soil-day-december-5-2016-1982cb672114#.3bvixqoo7

21: SciDev.Net: Invest in African research and citizen science: http://www.scidev.net/global/r-d/opinion/fund-african-research-citizen-science.html

Opinion Pieces 2015

1. The Guardian: Responding to the Article If Dreamers Loose: http://www.theguardian.com/environment/2015/mar/17/ways-to-tackle-climate-change

2. Scientific American-Turning to Bacteria to Fight the Effects of Climate Change: http://blogs.scientificamerican.com/guest-blog/turning-to-bacteria-to-fight-the-effects-of-climate-change/

3. The Hill: U.S Global nutrition plan should bring nutrition back to earth:

http://thehill.com/blogs/congress-blog/foreign-policy/240573-us-global-nutrition-plan-should-bring-nutrition-back-to

4. Thomson Reuters Foundation: Can Africa’s Urban Farms go Vertical?: http://www.trust.org/item/20150521041513-pm4gj/%C3%82

5. Food Tank: Africa’s Agricultural Revolution will be more Silicon Valley than Rift Valley: http://foodtank.com/news/2015/07/africas-agricultural-revolution-will-be-more-silicon-valley-than-rift-valle

6. The Christian Science Monitor -Could youth interest in agriculture boost Africa’s economy?: http://www.csmonitor.com/Business/The-Bite/2015/0713/Could-youth-interest-in-agriculture-boost-Africa-s-economy

7. World Policy Blog: Empowering Farmers on the Kenyan Coast: http://www.worldpolicy.org/blog/2015/07/21/empowering-farmers-kenyan-coast

8. This is Africa: New tech seeds Africa’s agricultural revolution: http://www.thisisafricaonline.com/ftauthor/view/Esther+Ngumbi

9. The Aspen Journal of Ideas: Taking smallholder farmers commercial, step by step: http://aspen.us/journal/editions/novemberdecember-2015/taking-smallholder-farmers-commercial-step-step

10. The Conversation: How understanding microbes can help farmers manage Africa’s soil crisis: https://theconversation.com/how-understanding-microbes-can-help-farmers-manage-africas-soil-crisis-50469

11. NPR: Dear U.N., Why Is It Mainly A Man's World At The Climate Conference?: http://www.npr.org/sections/goatsandsoda/2015/12/10/459204448/dear-u-n-why-is-it-mainly-a-mans-world-at-the-climate-conference

12. World Policy Blog: The Climate African Farmers Counted On Is Gone: http://www.worldpolicy.org/blog/2015/12/15/climate-african-farmers-counted-gone

13. CNN: Women, it’s time to get rid of “manels”: http://www.cnn.com/2015/12/31/opinions/ngumbi-dsilva-women-in-panels/

Motivational Quote of the Day