“Kajian Potensi Whey Yoghurt sebagai Bahan Alami Pencegah Jerawat”, JIPTHP, vol. 2, no. 1, pp. 238–242, Mar. 2017, Accessed: Dec. 24, 2025. [Online]. Available: https://journal.ipb.ac.id/ipthp/article/view/15572