List of Articles Open Access Article Abstract Page Full-Text 1 - Exact and numerical solutions for nonlinear differential equation of Jeffrey-Hamel flow R. Ellahi Open Access Article Abstract Page Full-Text 2 - Gauss elimination algorithm for interval matrix M. Adabitabar Firozja F. Babakordi M. Shahhosseini Open Access Article Abstract Page Full-Text 3 - On the Laplace transform decomposition algorithm for solving nonlinear differential equations A. R. Vahidi G. H. Asadi Corshooli Open Access Article Abstract Page Full-Text 4 - An iterative approach for estimation of efficiency by weighted distance R. Saneifard Open Access Article Abstract Page Full-Text 5 - Evaluation of supply chain operations using Slacks-based measure of efficiency M. Sanei S. Mamizadeh-chatghaye Open Access Article Abstract Page Full-Text 6 - Ranking efficient units by regular polygon area in DEA F. Rezai Balf Open Access Article Abstract Page Full-Text 7 - Transmission cost allocation based on cooperative game theory J. Nikoukar M. R. Haghifam A. Panahi