ZSIGMOND, Zoltan. Population and Enrolment Trends: 1961-200. Canadian Journal of Education/Revue canadienne de l’éducation, [S. l.], v. 1, n. 1, p. 19–38, 1976. Disponível em: https://cje-rce.ca/index.php/cje-rce/article/view/7871. Acesso em: 7 jul. 2026.