List of Articles System analysis Open Access Article Abstract Page Full-Text 1 - Evaluation of Promoting Conservation Hunting Areas (Case Study:Hamedan Alvand No-Hunting Area) Parvaneh Sobhani Hamid Goshtasb Bagher Nezami Ali Jahani 10.22034/jest.2018.13262 Open Access Article Abstract Page Full-Text 2 - Novel Aspect of Composite Sandwich Fairing Structure Optimization of a Two Stages Launch Vehicle by Using MDO Independent Subspace Approach Foozie Morovat Jafar Roshanian Ali Mozaffari Hadi Zaare Open Access Article Abstract Page Full-Text 3 - Developing Fuzzy Tool Capability Measurement System Analysis Soroush Avakh Darestani Neda Ghane Yusof Ismail Azam Moradi Tadi 10.22094/joie.2019.1871392.1666 Open Access Article Abstract Page Full-Text 4 - Introduse and Need Assessment of Regional Aircrafts by Software and Modeling H. Sadat Nazeri M. Ali Shahi Ashtian