List of Articles Open Access Article Abstract Page Full-Text 1 - Project Manager Competency Model based on ANP Method in Construction Projects Ali Maleki Maleki Kaveh Mohammad Cyrus Open Access Article Abstract Page Full-Text 2 - Capability Indices for Rayleigh Process Davoud Dariae Bahram Sadeghpour Gildeh Open Access Article Abstract Page Full-Text 3 - Evaluating Cost Efficiency in Fuzzy Environment by Using Expected Value Ali Payan Mohsen Hekmatnia Open Access Article Abstract Page Full-Text 4 - Requirements Engineering Model in Designing Complex Systems Farhad Zivari- Khorsand Rassoul Noorossana Jafar Gheidar-Kheljani Open Access Article Abstract Page Full-Text 5 - Assessment of VSM Scenarios by Simulation of Logistics Systems in Petrochemical Company Mohsen Parhizgar