Kamalah, Siti Rahmah, et al. “Pembuatan Sediaan Gel Arang Tempurung Kelapa Dan Uji Daya Hambat Terhadap Bakteri Klebsiella Pneumoniae: Preparation of Coconut Shell Charcoal Gel and Inhibitory Test Against Klebsiella Pneumoniae Bacteria”. Borneo Journal of Medical Laboratory Technology, vol. 6, no. 1, Oct. 2023, pp. 410-9, https://doi.org/10.33084/bjmlt.v6i1.6082.