Martínez Aguilar, Ever Alexis. “How Creole Cattle and Silvopastoral Systems Can Make Subsistence Livestock Systems in El Salvador Sustainable”. Revista Minerva 6, no. 1 (July 19, 2023): 91–96. Accessed December 7, 2025. https://www.camjol.info/index.php/revminerva/article/view/16420.