The ranking of “Top 100” scientists is based on total h-index scores. Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, EECA, BRICS, and COMESA based on total h-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, and Social Sciences. According to Total H. BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (829,221 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.
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![Rady MM](https://cdn.adscientificindex.com/pictures/78/89116.jpg)
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![Muntaser Ibrahim](https://cdn.adscientificindex.com/pictures/f3/95254.jpg)
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![Ahmed RG](https://cdn.adscientificindex.com/pictures/f4/103114.jpg)
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![Mostafa El Sheekh](https://cdn.adscientificindex.com/pictures/e7/95039.jpg)
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![Microbial Biosystems](https://cdn.adscientificindex.com/pictures/8e/4371980.jpg)
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![Ahmed Allam](https://cdn.adscientificindex.com/pictures/0f/102815.jpg)
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![Boussaid Mohamed](/user/assets/images/profile/no-profile-photo.png)
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![Congo](/flags/cd.png)
![Koto Te Nyiwa Ngbolua](https://cdn.adscientificindex.com/pictures/d2/101192.jpg)
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![Kenya](/flags/ke.png)
![Chrysantus Tanga](https://cdn.adscientificindex.com/pictures/8f/4404281.jpg)
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![Egypt](/flags/eg.png)
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![Egypt](/flags/eg.png)
![Saad El Din Hassan](/user/assets/images/profile/no-profile-photo.png)
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![Egypt](/flags/eg.png)
![Khaled AA Abdelaal](https://cdn.adscientificindex.com/pictures/08/100977.jpg)
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![Egypt](/flags/eg.png)
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![Egypt](/flags/eg.png)
![Kamal Shaltout](https://cdn.adscientificindex.com/pictures/15/100691.jpg)
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![Egypt](/flags/eg.png)
![Mohamed Hemida Abd Alla](https://cdn.adscientificindex.com/pictures/3a/94390.jpg)
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![Ethiopia](/flags/et.png)
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![Egypt](/flags/eg.png)
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![Kenya](/flags/ke.png)
![Beria Leimona](https://cdn.adscientificindex.com/pictures/74/4391939.jpg)
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![Egypt](/flags/eg.png)
![Ahmed M Abd Elgawad](https://cdn.adscientificindex.com/pictures/ee/103016.jpg)
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![Egypt](/flags/eg.png)
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![Sii Abdel Hafez](https://cdn.adscientificindex.com/pictures/e3/4332823.jpg)
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![Mirutse Giday](https://cdn.adscientificindex.com/pictures/e7/93943.jpg)
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![Egypt](/flags/eg.png)
![Mahussein](https://cdn.adscientificindex.com/pictures/d2/4412668.jpg)
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![Tunisia](/flags/tn.png)
![Nabil Miled](https://cdn.adscientificindex.com/pictures/59/4993388.jpg)
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![Kenya](/flags/ke.png)
![Sheila A Okoth](/user/assets/images/profile/no-profile-photo.png)
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![Ethiopia](/flags/et.png)
![Sileshi Nemomissa](/user/assets/images/profile/no-profile-photo.png)
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![Ethiopia](/flags/et.png)
![Masresha Fetene](https://cdn.adscientificindex.com/pictures/cc/93502.jpg)
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![Robert Skilton](https://cdn.adscientificindex.com/pictures/4b/4312033.jpg)
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![Rami Kassab](https://cdn.adscientificindex.com/pictures/fc/89192.jpg)
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![Komivi Senyo Akutse](https://cdn.adscientificindex.com/pictures/c9/4405788.jpg)
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![Tarek AA Moussa](https://cdn.adscientificindex.com/pictures/b6/91290.jpg)
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![Egypt](/flags/eg.png)
![Abdelaal H Moubasher](https://cdn.adscientificindex.com/pictures/4a/101794.jpg)
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![Egypt](/flags/eg.png)
![Aiat A.Abd El-Hamid](https://cdn.adscientificindex.com/pictures/f1/4522571.jpg)
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![Tunisia](/flags/tn.png)
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![Maha El Demellawy](/user/assets/images/profile/no-profile-photo.png)
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![Egypt](/flags/eg.png)
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![Egypt](/flags/eg.png)
![Mustafa Ahmed Fawzy](https://cdn.adscientificindex.com/pictures/46/95290.jpg)
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![Egypt](/flags/eg.png)
![Younes M. Rashad](https://cdn.adscientificindex.com/pictures/26/4527588.jpg)
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![Egypt](/flags/eg.png)
![Azza Othman](https://cdn.adscientificindex.com/pictures/0e/104656.jpg)
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![Kenya](/flags/ke.png)
![Paul Webala](https://cdn.adscientificindex.com/pictures/ef/88743.jpg)
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![Uganda](/flags/ug.png)
![Innocent B. Rwego](https://cdn.adscientificindex.com/pictures/c1/99597.jpg)
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![Kenya](/flags/ke.png)
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![Egypt](/flags/eg.png)
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![Egypt](/flags/eg.png)
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![Mauritius](/flags/mu.png)
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![Ethiopia](/flags/et.png)
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![Ethiopia](/flags/et.png)
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![](https://cdn.adscientificindex.com/logos/84.png)
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![Egypt](/flags/eg.png)
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![Sudan](/flags/sd.png)
![](https://cdn.adscientificindex.com/logos/11116.jpg)
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![Egypt](/flags/eg.png)
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![Egypt](/flags/eg.png)
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![Egypt](/flags/eg.png)
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![Egypt](/flags/eg.png)
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![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/16222.jpg)
![](https://cdn.adscientificindex.com/logos/16222.jpg)
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![Kenya](/flags/ke.png)
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![Egypt](/flags/eg.png)
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![Egypt](/flags/eg.png)
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![Esvatini](/flags/sz.png)
![](https://cdn.adscientificindex.com/logos/26211.png)
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![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/895.png)
![](/assets/images/world-icon.png)
![Kenya](/flags/ke.png)
![](https://cdn.adscientificindex.com/logos/17827.png)
![](https://cdn.adscientificindex.com/logos/17827.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/229.png)
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![Kenya](/flags/ke.png)
![](https://cdn.adscientificindex.com/logos/17827.png)
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![Tunisia](/flags/tn.png)
![](https://cdn.adscientificindex.com/logos/10511.png)
![](https://cdn.adscientificindex.com/logos/10511.png)
![](/assets/images/world-icon.png)
![Congo](/flags/cd.png)
![](https://cdn.adscientificindex.com/logos/10532.png)
![](https://cdn.adscientificindex.com/logos/10532.png)
![](/assets/images/world-icon.png)
![Kenya](/flags/ke.png)
![](https://cdn.adscientificindex.com/logos/17827.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8271.png)
![](https://cdn.adscientificindex.com/logos/8271.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/17035.jpg)
![](https://cdn.adscientificindex.com/logos/17035.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/229.png)
![](https://cdn.adscientificindex.com/logos/229.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/4697.png)
![](https://cdn.adscientificindex.com/logos/4697.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/1854.png)
![](https://cdn.adscientificindex.com/logos/1854.png)
![](/assets/images/world-icon.png)
![Tunisia](/flags/tn.png)
![](https://cdn.adscientificindex.com/logos/10585.png)
![](https://cdn.adscientificindex.com/logos/10585.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/612.jpg)
![](https://cdn.adscientificindex.com/logos/612.jpg)
![](/assets/images/world-icon.png)
![Ethiopia](/flags/et.png)
![](https://cdn.adscientificindex.com/logos/5652.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/403.png)
![](/assets/images/world-icon.png)
![Kenya](/flags/ke.png)
![](https://cdn.adscientificindex.com/logos/28735.png)
![](https://cdn.adscientificindex.com/logos/28735.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/4697.png)
![](https://cdn.adscientificindex.com/logos/4697.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/612.jpg)
![](/assets/images/world-icon.png)
![Ethiopia](/flags/et.png)
![](https://cdn.adscientificindex.com/logos/84.png)
![](https://cdn.adscientificindex.com/logos/84.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/16254.png)
![](https://cdn.adscientificindex.com/logos/16254.png)
![](/assets/images/world-icon.png)
![Tunisia](/flags/tn.png)
![](https://cdn.adscientificindex.com/logos/10585.png)
![](https://cdn.adscientificindex.com/logos/10585.png)
![](/assets/images/world-icon.png)
![Kenya](/flags/ke.png)
![](https://cdn.adscientificindex.com/logos/11217.jpg)
![](/assets/images/world-icon.png)
![Ethiopia](/flags/et.png)
![](https://cdn.adscientificindex.com/logos/84.png)
![](https://cdn.adscientificindex.com/logos/84.png)
![](/assets/images/world-icon.png)
![Ethiopia](/flags/et.png)
![](https://cdn.adscientificindex.com/logos/84.png)
![](https://cdn.adscientificindex.com/logos/84.png)
![](/assets/images/world-icon.png)
![Kenya](/flags/ke.png)
![](https://cdn.adscientificindex.com/logos/17827.png)
![](https://cdn.adscientificindex.com/logos/17827.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/14758.png)
![](https://cdn.adscientificindex.com/logos/14758.png)
![](/assets/images/world-icon.png)
![Kenya](/flags/ke.png)
![](https://cdn.adscientificindex.com/logos/17827.png)
![](https://cdn.adscientificindex.com/logos/17827.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/229.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/895.png)
![](https://cdn.adscientificindex.com/logos/895.png)
![](/assets/images/world-icon.png)
![Mauritius](/flags/mu.png)
![](https://cdn.adscientificindex.com/logos/11189.png)
![](https://cdn.adscientificindex.com/logos/11189.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/17035.jpg)
![](https://cdn.adscientificindex.com/logos/17035.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/1146.png)
![](https://cdn.adscientificindex.com/logos/1146.png)
![](/assets/images/world-icon.png)
![Uganda](/flags/ug.png)
![](https://cdn.adscientificindex.com/logos/5460.jpg)
![](https://cdn.adscientificindex.com/logos/5460.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/1857.png)
![](https://cdn.adscientificindex.com/logos/1857.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/1854.png)
![](https://cdn.adscientificindex.com/logos/1854.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](/assets/images/world-icon.png)
![Tunisia](/flags/tn.png)
![](https://cdn.adscientificindex.com/logos/10602.png)
![](/assets/images/world-icon.png)
![Kenya](/flags/ke.png)
![](https://cdn.adscientificindex.com/logos/28735.png)
![](https://cdn.adscientificindex.com/logos/28735.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/1146.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/612.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/17057.gif)
![](/assets/images/world-icon.png)
![Ethiopia](/flags/et.png)
![](https://cdn.adscientificindex.com/logos/5652.png)
![](https://cdn.adscientificindex.com/logos/5652.png)
![](/assets/images/world-icon.png)
![Tunisia](/flags/tn.png)
![](https://cdn.adscientificindex.com/logos/10511.png)
![](https://cdn.adscientificindex.com/logos/10511.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/17035.jpg)
![](https://cdn.adscientificindex.com/logos/17035.jpg)
![](/assets/images/world-icon.png)
![Rwanda](/flags/rw.png)
![](https://cdn.adscientificindex.com/logos/11327.png)
![](https://cdn.adscientificindex.com/logos/11327.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/11330.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8562.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/229.png)
![](https://cdn.adscientificindex.com/logos/229.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](https://cdn.adscientificindex.com/logos/166.png)
![](/assets/images/world-icon.png)
![Tunisia](/flags/tn.png)
![](https://cdn.adscientificindex.com/logos/10535.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/4697.png)
![](https://cdn.adscientificindex.com/logos/4697.png)
![](/assets/images/world-icon.png)
![Uganda](/flags/ug.png)
![](https://cdn.adscientificindex.com/logos/5460.jpg)
![](https://cdn.adscientificindex.com/logos/5460.jpg)
![](/assets/images/world-icon.png)
![Tunisia](/flags/tn.png)
![](https://cdn.adscientificindex.com/logos/10602.png)
![](https://cdn.adscientificindex.com/logos/10602.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/1146.png)
![](https://cdn.adscientificindex.com/logos/1146.png)
![](/assets/images/world-icon.png)
![Kenya](/flags/ke.png)
![](https://cdn.adscientificindex.com/logos/28735.png)
![](https://cdn.adscientificindex.com/logos/28735.png)
![](/assets/images/world-icon.png)
![Ethiopia](/flags/et.png)
![](https://cdn.adscientificindex.com/logos/4596.png)
![](https://cdn.adscientificindex.com/logos/4596.png)
![](/assets/images/world-icon.png)
![Kenya](/flags/ke.png)
![](https://cdn.adscientificindex.com/logos/17827.png)
![](/assets/images/world-icon.png)
![Kenya](/flags/ke.png)
![](https://cdn.adscientificindex.com/logos/2275.png)
![](https://cdn.adscientificindex.com/logos/2275.png)
![](/assets/images/world-icon.png)
![Mauritius](/flags/mu.png)
![](https://cdn.adscientificindex.com/logos/11189.png)
![](https://cdn.adscientificindex.com/logos/11189.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/229.png)
![](https://cdn.adscientificindex.com/logos/229.png)
![](/assets/images/world-icon.png)
![Kenya](/flags/ke.png)
![](https://cdn.adscientificindex.com/logos/11217.jpg)
![](https://cdn.adscientificindex.com/logos/11217.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8562.png)
![](https://cdn.adscientificindex.com/logos/8562.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](/assets/images/world-icon.png)
![Ethiopia](/flags/et.png)
![](https://cdn.adscientificindex.com/logos/84.png)
![](https://cdn.adscientificindex.com/logos/84.png)
![](/assets/images/world-icon.png)
![Tunisia](/flags/tn.png)
![](https://cdn.adscientificindex.com/logos/10585.png)
![](https://cdn.adscientificindex.com/logos/10585.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/17035.jpg)
![](https://cdn.adscientificindex.com/logos/17035.jpg)
![](/assets/images/world-icon.png)
![Tunisia](/flags/tn.png)
![](https://cdn.adscientificindex.com/logos/10521.png)
![](/assets/images/world-icon.png)
![Tunisia](/flags/tn.png)
![](https://cdn.adscientificindex.com/logos/10511.png)
![](https://cdn.adscientificindex.com/logos/10511.png)
![](/assets/images/world-icon.png)
![Tunisia](/flags/tn.png)
![](https://cdn.adscientificindex.com/logos/10585.png)
![](https://cdn.adscientificindex.com/logos/10585.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](https://cdn.adscientificindex.com/logos/8721.png)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/612.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/17035.jpg)
![](https://cdn.adscientificindex.com/logos/17035.jpg)
![](/assets/images/world-icon.png)
![Egypt](/flags/eg.png)
![](https://cdn.adscientificindex.com/logos/5509.jpg)
![](/assets/images/world-icon.png)
![Kenya](/flags/ke.png)
![](https://cdn.adscientificindex.com/logos/5560.png)
![](https://cdn.adscientificindex.com/logos/5560.png)
![](/assets/images/world-icon.png)
![Uganda](/flags/ug.png)
![](https://cdn.adscientificindex.com/logos/5460.jpg)
![](https://cdn.adscientificindex.com/logos/5460.jpg)