Castellanos Polo, Orlando Carmelo, and Edgar Estuardo Perez Barrios. “The Impact of Double Taxation Treaties on Foreign Investment in Colombia”. Saber, Ciencia y Libertad 17, no. 2 (August 2, 2022): 352–368. Accessed December 21, 2025. https://revistas.unilibre.edu.co/index.php/saber/article/view/9296.