HUSEN, Sadam; JUMROH. STUDENTS’ MATHEMATICAL PROBLEM-SOLVING ABILITIES IN ALGEBRAIC EXPRESSIONS AT SMP NEGERI 48 PALEMBANG. Perpendicular : Journal of Mathematics Education and Learning, [S. l.], v. 1, n. 1, p. 21–30, 2025. DOI: 10.61994/perpendicular.v1i1.908. Disponível em: https://jurnal.dokicti.org/index.php/perpendicular/article/view/908. Acesso em: 2 aug. 2025.