del Cid, Hazell, and Esmeralda Iraheta. “Theoretical Perspective on the Value of the Workforce on the Labor Market in El Salvador”. Realidad: Revista de Ciencias Sociales y Humanidades, no. 141 (February 9, 2016): 437–475. Accessed December 18, 2025. https://www.camjol.info/index.php/REALIDAD/article/view/2397.