“Optimization of Gelling Agents and Emulsifiers in Emulgel Bases, and Physical Evaluation of Emulgel containing Sepabang (Melastoma malabathricum L.) Leaves Extract”, J. Trop. Pharm. Chem, vol. 5, no. 2, pp. 143–149, Dec. 2020, doi: 10.30872/j.trop.pharm.chem.v5i2.190.