Maharani, Z. F., Akbar, N. D. and Priamsari, M. R. . (2025) “Optimization of Ethanol Extract Gel Nanoparticle Formulation of Secang Wood (Caesalpinia Sappan L.) as Antibacterial Against Propionibacterium Acnes: Optimization of Ethanol Extract Gel Nanoparticle Formulation of Secang Wood (Caesalpinia Sappan L.) as Antibacterial Against Propionibacterium Acnes”, PHARMADEMICA : Jurnal Kefarmasian dan Gizi, 5(1), pp. 16–25. doi: 10.54445/pharmademica.v5i1.80.