PRASETYA, Fajar. Karakteristik dan Stabilitas Sediaan Gel Mulut Berbahan Aktif Ekstrak Daun Sirih Hitam Berbasis Hydroxy Ethyl Cellulose (HEC). Journal of Tropical Pharmacy and Chemistry, [S. l.], v. 2, n. 2, p. 83–90, 2013. DOI: 10.25026/jtpc.v2i2.52. Disponível em: https://jtpc.jurnalfamul.com/index.php/jtpc/article/view/52. Acesso em: 12 sep. 2026.