Purba, Ravyson. “Decision Support System for Determining Homeroom Teachers at Musda Perbaungan Private Vocational Schools Using the Simple Additive Weighting Method”. Journal Basic Science and Technology 10, no. 2 (February 7, 2022): 42-51. Accessed May 25, 2026. https://iocscience.org/ejournal/index.php/JBST/article/view/1746.