Jayana, Thoby Tri, et al. “Antibacterial Activity Test Of Facial Serum Formulation Of Pegagan Leaf Extract (Centella Asiatica L.) And Pandan Leaf Extract (Pandanus Amaryllifolius R.) Against Cutibacterium Acnes Bacteria”. Jurnal Farmasi Ma Chung: Sains, Teknologi, Dan Klinis Komunitas, vol. 4, no. 2, Oct. 2026, doi:10.33479/jfmc.v4i2.176.