Montes Flores, Iván Alfredo. 2017. “Comparative Study Between the Mexican Federal State and the Spanish ‘Unitary’ State”. JUS Revista Jurídica Cuerpo Académico de Derecho Constitucional Facultad de Derecho Culiacán 1 (3): 33-60. https://revistas.uas.edu.mx/index.php/JUS/article/view/21.