ELMAN MAULANA; ⁠TATIANA SISKA WARDANI; ⁠BAGAS ARDIYANTORO. Antibacterial Activity Test Of Extract, N-Hexane Fraction, Ethyl Acetate, And Water Of Tangkalak Guava Leaves (Bellucia Pentamera Naudin) Against Staphylococcus Epidermidis ATCC 12228 Bacteria. International Journal of Health Engineering and Technology, [S. l.], v. 4, n. 6, 2026. DOI: 10.55227/ijhet.v4i6.657. Disponível em: https://www.afdifaljournal.com/journal/index.php/ijhet/article/view/657. Acesso em: 17 jun. 2026.