YANGA, Der-Ching; BASYAL, Deepak. Algebra Problems in Middle School Textbooks from Six Countries . Mathematics Education Forum Chitwan, [S. l.], v. 9, n. 1, p. 14–39, 2024. DOI: 10.3126/mefc.v9i1.73874. Disponível em: https://nepjol.info/index.php/mefc/article/view/73874. Acesso em: 18 jan. 2025.