KURNIAWATI , C. R.; UMAR , R. N.; SAPRI, S. Formulation and Physical Characterization of Nanopropolis (Trigona sp.) Hydrogel Acne Patch from Balikpapan. Journal of Pharmaceutical and Sciences, [S. l.], v. 9, n. 3, p. 3073–3081, 2026. DOI: 10.36490/journal-jps.com.v9i3.1759. Disponível em: https://journal-jps.com/new/index.php/jps/article/view/1759. Acesso em: 23 sep. 2026.