Espinosa-Victoria, David. “An Open Receiver Committed to Soil Conservation: Semblance about Dr. Mario Roberto Martínez-Menez”. REVISTA TERRA LATINOAMERICANA 38, no. 1 (January 31, 2020): 1–7. Accessed November 9, 2024. https://mail.terralatinoamericana.org.mx/index.php/terra/article/view/723.