Nadia Nurul Wachida, Tatiana Siska Wardani and Rahmat Hidayat 2026. Antibacterial Activity Test Of Extract And Fraction Of N-Hexane, Ethyl Acetate And Water Of Pineapple Peel (Ananas Comosus (L.) Merr.) Against Staphylococcus Epidermidis ATCC 12228 Bacteria. International Journal of Health Engineering and Technology. 4, 6 (Mar. 2026). DOI:https://doi.org/10.55227/ijhet.v4i6.670.