RUFF, R. R. The impacts of retention, expenditures, and class size on primary school completion in Sub-Saharan Africa: A cross-national analysis. International Journal of Education Policy and Leadership, [S. l.], v. 11, n. 8, 2016. DOI: 10.22230/ijepl.2016v11n8a606. Disponível em: https://journals.sfu.ca/ijepl/index.php/ijepl/article/view/606. Acesso em: 2 may. 2024.