List of Articles objective linear programming problem Open Access Article Abstract Page Full-Text 1 - A revisit of a mathematical model for solving fully fuzzy linear programming problem with trapezoidal fuzzy numbers A. Ebrahimnejad Open Access Article Abstract Page Full-Text 2 - Calculation of non-radial efficiency of decision-making units with fuzzy data using GDEA model Atefeh Farshad Mohsen Rostamy-Malkhalifeh