de la Cruz, V. (2020). The Political Constitution of 1949, its historical political roots during the period 1940-1948.

de la Cruz, Vladimir. The Political Constitution of 1949, Its Historical Political Roots During the Period 1940-1948. 2020.

de la Cruz, Vladimir. The Political Constitution of 1949, Its Historical Political Roots During the Period 1940-1948. 2020.