Cardoso, J. L., M. de F. Archanjo-Sampaio, B. Teruel-Menderos, and M. Stella-Zibordi. “Comparison of Performance Indicators in Agricultural Production and Animal Husbandry: Latin America and European Union Countries”. Agricultura, Sociedad Y Desarrollo, vol. 1, no. 2, Feb. 2004, pp. 171-8, https://www.revista-asyd.org/index.php/asyd/article/view/1030.