BRETON, T. R. Does Investment in Schooling Raise National Income? Evidence from Cross-Country Studies. Ecos de Economía, [S. l.], v. 15, n. 32, p. 99–120, 2011. Disponível em: https://publicaciones.eafit.edu.co/index.php/ecos-economia/article/view/325. Acesso em: 2 may. 2024.