List of Articles ارزیابی ریسک زیستمحیطی Open Access Article Abstract Page Full-Text 1 - The Presentation of Environmental Risk Assessment Pattern for Gas Pipeline Project by Using of Indexing System and AHP Methods (Case Study: Transportation Pipelines 24 inches, Tasuj-Salmas Project) Sahar Rezaian Mahdi Irankhahi Seyed Ali Jozi