Hendri, Hendri, et al. “Antibacterial Activity of Pineapple Peel Eco-Enzyme (Ananas Comosus L.) on Growth Pseudomonas Aeruginosa and Staphylococcus Epidermidis”. Jurnal Biologi Tropis, vol. 23, no. 3, July 2023, pp. 464-7, doi:10.29303/jbt.v23i3.5272.