Nailul Mukafiah 2022. Study of Antibacterial Activity of Green Betel Leaf (Piper betle L.) and Red Betel Leaf (Piper Crocatum L.) Extract Against Pseudomonas Aeruginosa Bacteria. Farmasains : Jurnal Farmasi dan Ilmu Kesehatan. 7, 1 (Oct. 2022). DOI:https://doi.org/10.22219/farmasains.v7i1.17379.