Morales-Ibarra, Marcel. “Manuel Villa Issa. (what to Do With Mexican land?) BBA (basic Agriculture Library)”. Agricultura, Sociedad y Desarrollo 8, no. 3 (March 3, 2011): 433–434. Accessed April 16, 2026. https://www.revista-asyd.org/index.php/asyd/article/view/1207.