LEVY, S. Extreme poverty in Mexico: A policy proposal. Estudios Económicos de El Colegio de México, [S. l.], v. 6, n. 1, p. 47–89, 1991. DOI: 10.24201/ee.v6i1.319. Disponível em: https://estudioseconomicos.colmex.mx/index.php/economicos/article/view/319. Acesso em: 26 may. 2024.