CRESPO , Manuel; MICHELENA , Justo. Streaming, Absenteeism, and Dropping-Out. Canadian Journal of Education/Revue canadienne de l’éducation, [S. l.], v. 6, n. 4, p. 40–55, 1981. Disponível em: https://cje.journals.publicknowledgeproject.org/index.php/cje-rce/article/view/8115. Acesso em: 19 sep. 2026.