Fildayanti, F. et al. 2026. Antibacterial Activity of Extract and Fraction of Gelinggang (Cassia alata) Leaves Against Propionibacterium acnes Bacteria. Jurnal Penelitian Farmasi Indonesia. 15, 1 (Jun. 2026), 1–8. DOI:https://doi.org/10.51887/jpfi.v15i1.2206.