PEÑA, R. de la. D. Croone y J. N. Robinson. Understanding the economy : an introduction to macroeconomic theory. Londres : Weidenfeld & Nicolson. 1972. 166 p. Estudios Demográficos y Urbanos, [S. l.], v. 7, n. 02, p. 247–248, 1973. DOI: 10.24201/edu.v7i02.226. Disponível em: https://estudiosdemograficosyurbanos.colmex.mx/index.php/edu/article/view/226. Acesso em: 30 abr. 2024.