Fildayanti, Fildayanti, et al. “ANTIBACTERIAL ACTIVITY OF EXTRACT AND FRACTION OF GELINGGANG (CASSIA ALATA) LEAVES AGAINST PROPIONIBACTERIUM ACNES BACTERIA”. Jurnal Penelitian Farmasi Indonesia, vol. 15, no. 1, June 2026, pp. 1-8, doi:10.51887/jpfi.v15i1.2206.