Rodas-Núñez, Isabel. “The State, Institutions and Population Fronts in guatemala’s Northeast: The Case of Usumacinta Inhabitants”. Agricultura, Sociedad y Desarrollo 7, no. 2 (April 4, 2010): 137–154. Accessed May 20, 2026. https://www.revista-asyd.org/index.php/asyd/article/view/1114.