Zulhendri, Ahmad Fauzan, Made Arnawa, Edwin Musdi, and Yerizon. “Analysis Of Mathematics Student Error To Solve Problems Of Linear Programs”. International Journal Of Humanities Education and Social Sciences (IJHESS) 1, no. 5 (April 29, 2022). Accessed May 2, 2026. http://www.ijhess.com/index.php/ijhess/article/view/156.