Verified Ranking Certificate 

This signed certificate records one published Top1000 Scholar ranking

 Hany M. Yehia 

SI-879774de34351e8a9f3ee9a4c1cf5593

 World Rank #754 

Essential Oils and Antimicrobial Activity

Topic | 2021-2025 impact window 

SA Rank #71 within this World Top1000