ECA: Estudios Centroamericanos. “¿Tragedias Inevitables O Evitables?”. ECA: Estudios Centroamericanos 29, no. 312 (October 31, 1974): 717–718. Accessed March 6, 2026. https://revistas.uca.edu.sv/index.php/eca/article/view/9918.