Mulyana, D. (2026) “Categorization of Grade 9 Students’ Achievement Based on School Examination Results and Qur’anic Achievement Using K-Means and K-Nearest Neighbors”, Mathline : Jurnal Matematika dan Pendidikan Matematika, 11(2), pp. 423–436. doi: 10.31943/mathline.v11i2.1088.