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 July 16, 2024. https://terralatinoamericana.org.mx/index.php/terra/article/view/1332.