List of Articles 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 - A New Approach to Solve Fully Fuzzy Linear Programming with Trapezoidal Numbers Using Conversion Functions S.H. Nasseri Open Access Article Abstract Page Full-Text 3 - A Recurrent Neural Network to Identify Efficient Decision Making Units in Data Envelopment Analysis A. Ghomashi G. R. Jahanshahloo F. Hosseinzadeh Lotfi Open Access Article Abstract Page Full-Text 4 - Fully Fuzzy Transportation Problem A. Khoshnava M.R. Mozaffari Open Access Article Abstract Page Full-Text 5 - Congestion Status Identification Using Slack Based Models in Data Envelopment Analysis M. Abbasi M. Rostamy-Malkhlifeh Open Access Article Abstract Page Full-Text 6 - Synchronization of a Heart Delay Model with Using CPSO Algorithm in Presence of Unknown Parameters S. Nazari A. Heydari Open Access Article Abstract Page Full-Text 7 - Solving Redundancy Allocation Problem with Repairable Components Using Genetic Algorithm and Simulation Method M. Shahriari