Maharani, Z. F., Akbar, N. D., & 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), 16–25. https://doi.org/10.54445/pharmademica.v5i1.80