Damayanti, Indah Sri, and Prima Minerva. “The Relationship of Facial Skin Personal Hygiene to The Onset of Acne (Acne Vulgaris) in Adolescent Boys”. International Journal of Natural Science and Engineering 7, no. 2 (November 1, 2023): 112–119. Accessed May 12, 2024. https://ejournal.undiksha.ac.id/index.php/IJNSE/article/view/62085.