List of Articles Open Access Article Abstract Page Full-Text 1 - G-frames in Hilbert Modules Over Pro-C*-algebras N. Haddadzadeh‎‎ Open Access Article Abstract Page Full-Text 2 - A New Group Data Envelopment Analysis Method for Ranking Design Requirements in Quality Function Deployment J. ‎Pourmahmoud‎ E. Babazadeh Open Access Article Abstract Page Full-Text 3 - On Fuzzy Solution for Exact Second Order Fuzzy Differential Equation A. Armand Z. Gouyandeh Open Access Article Abstract Page Full-Text 4 - Effect of Hall Current and Wall Conductance on Hydromagnetic Natural Convective Flow Between Vertical Walls D. ‎Kumar‎ A. K. Singh‎ Mr. Sarveshanand‎ Open Access Article Abstract Page Full-Text 5 - Solving Volterra's Population Model via Rational Christov Functions Collocation Method K. Parand E. ‎Hajizadeh‎ A. Jahangiri S. Khaleqi Open Access Article Abstract Page Full-Text 6 - Environmental Assessment and Congestion for DMUs With Undesirable Outputs M. ‎Khodadadi‎ H. Zare Haghighi Open Access Article Abstract Page Full-Text 7 - Impact of Outliers in Data Envelopment Analysis A. Gholam ‎Abri‎ Open Access Article Abstract Page Full-Text 8 - Another Method for Defuzzification Based On Characterization of Fuzzy Numbers Rahim Saneifard Open Access Article Abstract Page Full-Text 9 - Comparison Between Different Methods of Feature Extraction in BCI Systems Based on SSVEP S. ‎Sheykhivand‎ T. ‎Yousefi ‎R‎ezaii‎ A. ‎Naderi Saatlo‎ N. ‎Romooz‎ Open Access Article Abstract Page Full-Text 10 - Numerical Solution of Fredholm Integro-differential Equations By Using Hybrid Function Operational Matrix of Differentiation R. Jafri R. Ezzati K. ‎Maleknejad‎ Open Access Article Abstract Page Full-Text 11 - Solving Some Initial-Boundary Value Problems Including Non-classical Cases of Heat Equation By Spectral and Countour Integral Methods M. Jahanshahi N. Aliev F. Jahanshahi Open Access Article Abstract Page Full-Text 12 - Classical Center Location Problem Under Uncertain Environment A. Soltanpour‎‎ F. Baroughi‎‎ B. Alizadeh