Classification of Student Grading Using Naïve Bayes Method with Under-sampling Approach to Handle Imbalance. J. Inf. Syst. Explor. Res. [انترنت]. 30 يناير، 2025 [وثق 25 أغسطس، 2026];3(1):39-44. موجود في: https://shmpublisher.com/index.php/joiser/article/view/537