Correa Fonnegra, J. B., C. A. Viáfara López, and V. H. Zuluaga González. “Racial/Ethnic Inequalities in the Distribution of Income in Colombia: Analysis by Quantile Regression”. Sociedad Y Economía, no. 19, Sept. 2010, pp. 153-78, doi:10.25100/sye.v0i19.4103.