Reyes-Ortigoza, Amada Laura. “Characteristics of Enzymatic Activity and Humus in Chinampa Soils”. REVISTA TERRA LATINOAMERICANA 37, no. 4 (October 7, 2019): 339–349. Accessed November 22, 2024. https://terralatinoamericana.org.mx/index.php/terra/article/view/487.