MANOPO, M.; LISARANI, V. A Comparative Analysis of Non-Routine Problems in Mathematics Textbooks of Indonesia and Singapore. Edumatika : Jurnal Riset Pendidikan Matematika, [S. l.], v. 4, n. 1, p. 1–8, 2021. DOI: 10.32939/ejrpm.v4i1.750. Disponível em: https://ejournal.iainkerinci.ac.id/index.php/edumatika/article/view/750. Acesso em: 21 nov. 2024.