Callejas-Juárez, Nicolás, and Aideé Callejas-Martínez. “Analysis of the Eff Iciency of the Cow-Calf System in Mexico”. REVISTA TERRA LATINOAMERICANA 40 (June 30, 2022). Accessed January 9, 2025. https://mail.terralatinoamericana.org.mx/index.php/terra/article/view/941.