Salgado-García, Sergio. “A Sustainable Fertilization Program for the Sugar Complex Pujiltic in Chiapas, Mexico”. REVISTA TERRA LATINOAMERICANA 26, no. 4 (December 1, 2008): 361–373. Accessed September 19, 2024. https://mail.terralatinoamericana.org.mx/index.php/terra/article/view/1332.