Martínez-Vázquez, Sergio Jovani, and Esmeralda Sarahi Medina-Valdez. “School Leadership As a Key Factor in Educational Quality in Mexican Primary Education”. Revista UGC 4, no. S2 (July 29, 2026): 118–126. Accessed October 31, 2026. https://revistacientifica.ugc.mx/index.php/rugc/article/view/423.