Claudya, C., R. Meutia, and Y. E. P. Lubis. “Activity of Noni Leaf Extract Gel (Morinda Citrifolia) Against The Growth of Acne Causing Staphylococcus Epidermidis Bacteria”. Journal of Pharmaceutical and Sciences, vol. 6, no. 4, Nov. 2023, pp. 1645-53, doi:10.36490/journal-jps.com.v6i4.276.