List of Articles Cost Open Access Article Abstract Page Full-Text 1 - Machinery Optimal Layout Design of a Production System with the Aim of Reducing Transportation Costs Using Imperialist Competitive Algorithm Monireh Jannesari Aghdam Ramin Meshkabadi Open Access Article Abstract Page Full-Text 2 - Using Program Slicing Technique to Reduce the Cost of Software Testing اصغر محمدیان بهمن آراسته Open Access Article Abstract Page Full-Text 3 - Economic (Cost-Benefit) Analysis of Power Generation from Commercial Reinforced Concrete Solar Chimney Power Plant Built in the Desert Regions of Iran Farhad Saleki Baghban Hosein Nasir Aghdam Open Access Article Abstract Page Full-Text 4 - Place Finding and Optimizing the Determination of Production Units Dynamically for Providing the Electricity and Heat in Industrial City Open Access Article Abstract Page Full-Text 5 - A New Approach of Backbone Topology Design Used by Combination of GA and PSO Algorithms Open Access Article Abstract Page Full-Text 6 - Economic possibility assessment of creating wind power stations at Soltanieh zone of Zanjan province Davoud Karimzadeh Open Access Article Abstract Page Full-Text 7 - Comparative study of AC and DC smart residential complex advantages, disadvantages and applications Abdolreza Sadighmanesh