Yanuarti, E., Sujono, Soetarno, D., & Sulaiman, R. (2026). Comparative Classification of Promotional Sources in Higher Education Admissions Using K-Nearest Neighbor and Naive Bayes. Journal of Information Systems and Informatics, 8(4), 5071-5092. https://doi.org/10.63158/journalisi.v8i4.1689