NANDANG, N.; TAUFAN, M.; NOVIANA, N. Student challenges completing the matrix material story question. Polyhedron International Journal in Mathematics Education, [S. l.], v. 1, n. 1, p. 35–52, 2023. DOI: 10.59965/pijme.v1i1.4. Disponível em: https://demo.aljibra.or.id/index.php/pijme/article/view/4. Acesso em: 20 mar. 2026.