Ortega Monche, Nivaria. “The Governance in El Salvador: An Approach from the Government-Opposition Relationship”. ECA: Estudios Centroamericanos 60, no. 677 (March 31, 2005): 251–259. Accessed May 20, 2024. https://revistas.uca.edu.sv/index.php/eca/article/view/5316.