ABDULLAH, A. H.; SHIN, B. A comparative study of quadrilaterals topic content in mathematics textbooks between Malaysia and South Korea. Journal on Mathematics Education, [S. l.], v. 10, n. 3, p. 315–340, 2019. Disponível em: https://jme.ejournal.unsri.ac.id/index.php/jme/article/view/3797. Acesso em: 29 jul. 2025.