Manotas-Duque, Diego, Alejandro Estrada-Bedón, and José Uribe-Rodríguez. 2011. “Application of Gini Coefficient and Semivariance As Estimators of Risk in Project Selection”. Ingeniería Y Competitividad 13 (2):61-81. https://doi.org/10.25100/iyc.v13i2.2675.