Fitrieyah, Imamah Dien, and Anouar Ben Mabrouk. “Analysis of Student’s Difficulty in Solving Mathematical Problems in Linear Programs”. Journal of Teaching and Learning Mathematics 2, no. 1 (July 17, 2024): 37–43. Accessed November 7, 2024. https://ejournal.umm.ac.id/index.php/jtlm/article/view/33680.