Ita Dwiaini. “The Relationship Between The Level Of Knowledge And The Act Of Acne Self-Medication In Adolescents PIK-R Universitas Dharmas Indonesia”. Jurnal EduHealth, vol. 13, no. 02, Nov. 2022, pp. 582-4, https://ejournal.seaninstitute.or.id/index.php/healt/article/view/697.