Purba, Ravyson. “Decision Support System for Determining Homeroom Teachers in Musda Perbaungan Private Vocational Schools Using the Simple Additive Weighting Method”. International Journal of Basic and Applied Science 8, no. 3 (December 30, 2019): 89–96. Accessed January 15, 2025. https://ijobas.pelnus.ac.id/index.php/ijobas/article/view/43.