Mayorga, A.H., Kuncahyo, I. and Saptarini, O. 2025. Optimization of gel formula from active fraction of manggost fruit (Garcinia mangostana. L) and antibacterial activity test against Staphylococcus epidermidis. International journal of health sciences. 9, S1 (Feb. 2025), 120–160. DOI:https://doi.org/10.53730/ijhs.v9nS1.15577.