List of Articles Weight dispersion Open Access Article Abstract Page Full-Text 1 - Modified Goal Programming Approach for Improving the Discrimination Power and Weights Dispersion Sahand Daneshvar Nazila Shahi Fariba Najafzadeh Open Access Article Abstract Page Full-Text 2 - Increasing the discrimination power the decision making units based on reducing dispersion of weights in the data envelopment analysis اعظم Pourhabib A.R Amirteimoori S. Kordrostami R. Kazemi Matin Open Access Article Abstract Page Full-Text 3 - An extended of multiple criteria data envelopment analysis models for ratio data Javad Gerami