T. R. Breton, «Does Investment in Schooling Raise National Income? Evidence from Cross-Country Studies», ecos.econ., vol. 15, n.º 32, pp. 99–120, abr. 2011, Accedido: nov. 11, 2026. Disponible en: https://publicaciones.eafit.edu.co/index.php/ecos-economia/article/view/325