McKee, Douglas, and Petra E. Todd. “The Longer-Term Effects of Human Capital Enrichment Programs on Poverty and Inequality: Oportunidades in Mexico”. Estudios de Economía 38, no. 1 (March 31, 2016): pp. 67–100. Accessed March 13, 2025. https://sintesisdejurisprudencia.uchile.cl/index.php/EDE/article/view/39461.