YOUNES, H. A.; TAHAR, T. M. Teaching mathematics in Middle school in Algeria. New Trends and Issues Proceedings on Humanities and Social Sciences, [S. l.], v. 4, n. 9, p. 74–81, 2017. DOI: 10.18844/prosoc.v4i9.3045. Disponível em: https://un-pub.eu/ojs/index.php/pntsbs/article/view/3045. Acesso em: 4 may. 2024.