Ishak H, Ardiana A, Bakar MT, Saputra LR. Analysis of Students’ Learning Obstacles in The Differential Equations Course Reviewed from Their Problem-Solving Ability. IJORER  Int. J. Recent Educ. Res. [Internet]. 2025Jan.30 [cited 2025Aug.13];6(1):139-53. Available from: https://journal.ia-education.com/index.php/ijorer/article/view/738