List of Articles Behavior Open Access Article Abstract Page Full-Text 1 - On the relative efficiency in general network structures Fatemeh Boloori Jafar Pourmahmoud Open Access Article Abstract Page Full-Text 2 - On approximation of the Fully Fuzzy Fixed Charge Transportation Problem Ali Mahmoodirad Hamid Hassasi G. Tohidi مسعود صانعی Open Access Article Abstract Page Full-Text 3 - Intuitionistic Fuzzy Multiset Finite Automata: An Algebraic-Based Study مرضیه شمسی زاده خدیجه ابول پور Open Access Article Abstract Page Full-Text 4 - Chaotic convection in couple stress liquid saturated porous layer Vinod K‎. ‎Gupta‎ A. K. ‎Singh‎ B. S. Bhadauria‎ I. Hasim‎ J. M. Jawdat‎