González Eguiarte, Diego R. “Spatial Distribution of Organic Matter Content in Agricultural Soils of Zapopan, Jalisco”. REVISTA TERRA LATINOAMERICANA 25, no. 2 (June 1, 2007): 187–194. Accessed January 9, 2025. https://mail.terralatinoamericana.org.mx/index.php/terra/article/view/1425.