Huertas Bartolomé, Tebelia. “El Derecho Fundamental a La Libertad Sindical”. ECA: Estudios Centroamericanos 48, no. 531-532 (February 28, 1993): 93–95. Accessed May 1, 2025. https://revistas.uca.edu.sv/index.php/eca/article/view/7140.