“UJI AKTIVITAS EKTRAK ETANOL DAUN SINTRONG (Crassocephalum Crepidioides) TERHADAP BAKTERI Propionibacterium Acnes”. 2021. JURNAL PENGMAS KESTRA (JPK) 1 (2): 368-72. https://doi.org/10.35451/jpk.v1i2.902.