N. Tahar, D. Wahyuni, R. Adawiyah, Khaerani, and M. Wahyuddin, “Formulation and Antibacterial Activity of Porang (Amorphophallus muelleri Blume) Extract Gel Against Propionibacterium acne”, ad-dawaa.j.pharm.sci, vol. 6, no. 1, pp. 83-92, Jul. 2023.