U. Quirama Estrada, P. A. Forero Delgadillo, D. F. Montañez Herrera, D. M. Mena Serna, and H. A. Solarte, “Solving endogeneity without instruments. An application from Lewbel ”, ReUNAC, vol. 13, no. 24, pp. 71–83, Jul. 2020, Accessed: May 04, 2026. [Online]. Available: https://revistas.unac.edu.co/index.php/unaciencia/article/view/232