Jiménez Leiva, Cristian Camilo, Iván Amaya, and Rodrigo Correa. 2015. “Calculation and Prediction of Fugacity and Activity Coefficients in Binary Mixtures, Using a Self-Regulated Fretwidth Harmony Search Algorithm”. Revista Ingenierías Universidad De Medellín 16 (30):67-95. https://doi.org/10.22395/rium.v16n30a4.