Ika Wulan Junianti, Subanji, and Hery Susanto. “VARIATION OF VOCATIONAL STUDENTS’ DIFFICULTIES IN SOLVING SYSTEM LINEAR INEQUALITY PROBLEM BASED ON POLYA’S THEORY: VARIASI KESULITAN SISWA KEJURUAN DALAM MENYELESAIKAN SISTEM PERTIDAKSAMAAN LINEAR BERDASARKAN TEORI POLYA”. MaPan : Jurnal Matematika dan Pembelajaran 13, no. 1 (June 26, 2025): 85–102. Accessed June 27, 2025. http://journal.uin-alauddin.ac.id/index.php/Mapan/article/view/57095.