B. A. Putri, G. K. Sari, and M. A. Pistanty, “Testing the Antibacterial Activity of A Serum Preparation of Pegagan Leaf Extract (Centella asiatica (L.) Urban) Against the Bacteria Propionibacterium acnes”, Pratama Medika, vol. 2, no. 1, pp. 37–52, Nov. 2023.