MAHARANI, Z. F.; AKBAR, N. D.; PRIAMSARI, M. R. . 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, [S. l.], v. 5, n. 1, p. 16–25, 2025. DOI: 10.54445/pharmademica.v5i1.80. Disponível em: http://jurnal.poltekkespim.ac.id/index.php/pharmademica/article/view/80. Acesso em: 18 sep. 2025.