List of Articles Linear Programming Open Access Article Abstract Page Full-Text 1 - A new approach to the numerical solution of system of dual fuzzy polynomial equations M. Otadi Open Access Article Abstract Page Full-Text 2 - A New Hybrid Methodology Based on Data Envelopment Analysis and Neural Network for Optimization of Performance Evaluation علی نمکین سید اسماعیل نجفی محمد فلاح مهرداد جوادی Open Access Article Abstract Page Full-Text 3 - Solving Fully Interval Linear Programming Problems Using Ranking Interval Numbers علی حسین زاده محسن واعظ قاسمی Open Access Article Abstract Page Full-Text 4 - Inverse DEA Using Enhanced Russell Measure in the Presence of Fuzzy Data S. Ghobadi Open Access Article Abstract Page Full-Text 5 - Solving Fully Fuzzy Dual Matrix System With Optimization Problem F. Babakordi M. S. Adabitabar Firozja Open Access Article Abstract Page Full-Text 6 - A New Method for Optimization of Inefficient Cost Units In The Presence of Undesirable Outputs S. Sadri M. Rostamy Malkhalifeh N. Shoja Open Access Article Abstract Page Full-Text 7 - A New Approach for Solving Fully Fuzzy Bilevel Linear Programming Problems S. F. Tayebnasab F. Hamidi M. Allahdadi Open Access Article Abstract Page Full-Text 8 - Defuzzification Method for Solving Fuzzy Linear Programming Problems Rahim Saneifard Rasoul Saneifard Open Access Article Abstract Page Full-Text 9 - Solving fully fuzzy linear programming M. Otadi Open Access Article Abstract Page Full-Text 10 - Fully fuzzy linear programming with inequality constraints SH. Nasseri E. Behmanesh F. Taleshian M. Abdolalipoor N. A. TaghiNezhad