List of Articles Open Access Article Abstract Page Full-Text 1 - Piecewise Constant Controlled Linear Fuzzy Systems A. V. Plotnikov A. V. Arsiry T. A. Komleva Open Access Article Abstract Page Full-Text 2 - The Selection Suitable Targets in Tv on the Basis of Scores Relating to Ranking F. Hosseinzadeh Lotfi R. Fallahnejad Open Access Article Abstract Page Full-Text 3 - Comparing the Productivities of Two Units at Two Different Points in Time S. Razavyan G. Tohidi S. Tohidnia Open Access Article Abstract Page Full-Text 4 - Comparison between Rational Gegenbauer and Modified Generalized Laguerre Functions Collocation Methods for Solving the Case of Heat Transfer Equations Arising in Porous Medium K. Parand F. Baharifard F. Bayat Babolghani Open Access Article Abstract Page Full-Text 5 - Estimated Returns to Scale with Interval Data in Parallel Manufacturing Systems with Shared Resources S. Kordrostami A. Amirteimoori O. Azmayandeh Z. Bakhoda Open Access Article Abstract Page Full-Text 6 - Numerical Solution of Singular IVPs of Lane-Emden Type Using Integral Operator and Radial Basis Functions M. Heydari S. M. Hosseini G. B. Loghmani