William A Niebles Núñez, Alexander Pérez Cordero, and Donicer E. Montes Vergara. “Correlation Analysis Between the Variation of GDP and the Percentage Variation of Colombian Emigrants”. Migration Letters 20, no. S1 (July 24, 2023): 1153–1158. Accessed December 27, 2024. https://migrationletters.com/index.php/ml/article/view/4550.