Cerquera Losada, O. H., J. R. Cano Barrera, and C. F. Gómez Segura. “Factors Associated With Academic Achievement in Developed and Developing Regions of Colombia: An Approach from a Cross-Section Combination Model”. Revista Historia De La Educación Colombiana, vol. 19, no. 19, Dec. 2016, pp. 167-01, doi:10.22267/rhec.161919.19.