BUIRA, A. Hans Bachmann. The external relations of the less developed countries. Nueva York : Praeger Special Studies in International Economics and Development, 1968. 341 p. Estudios Demográficos y Urbanos, [S. l.], v. 2, n. 02, p. 274, 1968. DOI: 10.24201/edu.v2i02.52. Disponível em: https://estudiosdemograficosyurbanos.colmex.mx/index.php/edu/article/view/52. Acesso em: 25 abr. 2024.