Ugalde-Acosta, Francisco Javier, Ernesto López Salinas, and Oscar Hugo Tosquy-Valle. “ México”. Agronomía Mesoamericana 16, no. 1 (April 3, 2005): 01–05. Accessed October 6, 2024. https://revistas.ucr.ac.cr/index.php/agromeso/article/view/5176.