IKA WULAN JUNIANTI; SUBANJI; SUSANTO, Hery. 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, [S. l.], v. 13, n. 1, p. 85–102, 2025. DOI: 10.24252/mapan.2025v13n1a5. Disponível em: http://journal.uin-alauddin.ac.id/index.php/Mapan/article/view/57095. Acesso em: 27 jun. 2025.