ALLY, N.; CHRISTIANSEN, I. M. Opportunities to develop mathematical proficiency in Grade 6 mathematics classrooms in KwaZulu-Natal. Perspectives in Education, [S. l.], v. 31, n. 3, p. 106–121, 2013. DOI: 10.38140/pie.v31i3.1821. Disponível em: https://journals.ufs.ac.za/index.php/pie/article/view/1821. Acesso em: 2 may. 2024.