Lestari N, Sari IK, Fitra R. ANALYSIS OF STUDENTS’ DIFFICULTIES IN SOLVING MATRIX OPERATIONS PROBLEMS. Jupika:J.P.M. [Internet]. 2026Mar.1 [cited 2026Oct.29];9(1):1-10. Available from: https://e-journal.uniflor.ac.id/index.php/jupika/article/view/7576