List of Articles Open Access Article Abstract Page Full-Text 1 - Set a bi-objective redundancy allocation model to optimize the reliability and cost of the Series-parallel systems using NSGA II problem M. R. Shahriari‎ Open Access Article Abstract Page Full-Text 2 - A new algorithm for solving Van der Pol equation based on piecewise spectral Adomian decomposition method S. GH Hosseini E. Babolian S. Abbasbandy Open Access Article Abstract Page Full-Text 3 - A Study on Intuitionistic Fuzzy and Normal Fuzzy M-Subgroup, M-Homomorphism and Isomorphism M. Oqla Massa'deh Open Access Article Abstract Page Full-Text 4 - Estimation of portfolio efficient frontier by different measures of risk via DEA M. Sanei S. ‎Banihashemi‎ M. ‎Kaveh‎ Open Access Article Abstract Page Full-Text 5 - Bernoulli operational matrix method for system of linear Volterra integral equations E. Hashemizadeh‎ M. Mohsenyzadeh Open Access Article Abstract Page Full-Text 6 - A new network simplex algorithm to reduce consecutive degenerate pivots and prevent stalling Z. ‎Aghababazadeh‎‎ M. ‎Rostamy-‎Malkhalifeh‎‎ Open Access Article Abstract Page Full-Text 7 - The spectral iterative method for Solving Fractional-Order Logistic Equation A. Shoja‎ E. Babolian A. R. Vahidi Open Access Article Abstract Page Full-Text 8 - A new iterative with memory class for solving nonlinear equations P. ‎Bassiri‎ P. Bakhtiari‎‎ S. Abbasbandy‎ Open Access Article Abstract Page Full-Text 9 - Solving robot selection problem by a new interval-valued hesitant fuzzy multi-attributes group decision method S. M. ‎Mousavi‎ B. Vahdani H. Gitinavard‎ H. Hashemi‎ Open Access Article Abstract Page Full-Text 10 - Determining Malmquist Productivity Index in DEA and DEA-R based on Value Efficiency M. R. ‎Mozaffari‎ Open Access Article Abstract Page Full-Text 11 - A Multi-supplier Inventory Model with Permissible Delay in Payment and Discount M. Farhangi E. Mehdizadeh Open Access Article Abstract Page Full-Text 12 - Flexibility of Variations in Radial and Non-Radial Data Envelopment Analysis Models S. ‎Kordrostami A. ‎Amirteimoori‎ M. Jahani Sayyad ‎Noveiri‎ Open Access Article Abstract Page Full-Text 13 - Two-phase Boundary Layer Flow, Heat and Mass Transfer of a Dusty Liquid past a Stretching Sheet with Thermal Radiation K. L. Krupa ‎Lakshmi‎ B. J. ‎Gireesha‎ Rama S R Gorla B. Mahanthesh‎ Open Access Article Abstract Page Full-Text 14 - Generalized H-differentiability for solving second order linear fuzzy differential equations P. Darabi S. Moloudzadeh‎ H. Khandani‎ Open Access Article Abstract Page Full-Text 15 - Numerical Solution of Fractional Control System by Haar-wavelet Operational Matrix Method M. Mashoof‎ A. H. Refahi ‎Sheikhani‎