D. F. Lestari, F. Fatimatuzzahra, dan D. Dominica, “Uji Daya Hambat Bakteri Staphylococcus Aureus Sabun Cuci Tangan Cair Berbahan Arang Aktif Batok Kelapa”, J. Sains. Kes, vol. 3, no. 2, hlm. 242–247, Nov 2024, Diakses: Sep 19, 2026. Tersedia pada: https://jsk.ff.unmul.ac.id/index.php/JSK/article/view/321