Uji Aktivitas Antimikroba Ekstrak Umbi Bawang Dayak (Eleutherineamericana. Me…

This research was conducted to determine the effect of the chemical compounds of Dayak onion (Eleutherine americana Merr.) Root extract against Propionibacterium acne bacteria that cause acne which is used in designing students' worksheets on kingdom monera class X high school material conducted in December 2019 - February 2020 in University of Riau PMIPA Chemistry Laboratory, University of Ria…