RICHARD, B. The role of extra lessons on the general administration of urban day high density secondary schools. Sprin Journal of Arts, Humanities and Social Sciences, [S. l.], v. 1, n. 01, p. 13–25, 2022. DOI: 10.55559/sjahss.v1i01.2. Disponível em: https://sprinpub.com/sjahss/article/view/sjahss-1-1-13-25. Acesso em: 7 may. 2024.