F., F., Sari, L. I., & Nofita, R. (2015). Formulation of Ylang-Ylang Oil Transparent Soap and Antibacterial Test Against Acne-Causing Bacteria. Jurnal Sains Farmasi & Klinis, 1(1), 61–71. https://doi.org/10.29208/jsfk.2014.1.1.13