Maitimu, Gloria Flourin, Putu Harry Gunawan, and Muhammad Ilyas. “Classification of Acne Severity Using K-Nearest Neighbor (KNN) and Random Forest Method”. Lontar Komputer : Jurnal Ilmiah Teknologi Informasi 16, no. 02 (August 31, 2025): 06. Accessed January 12, 2026. https://ejournal3.unud.ac.id/index.php/lontar/article/view/761.