List of Articles نیاز زیستمحیطی Open Access Article Abstract Page Full-Text 1 - Investigating Different Methods for Estimating the Need for Environmental Water (Case Study: Alandchay River) Elmira Pirouzian Mahdi Sarai Tabrizi Hossein Sedghi 10.22034/jest.2021.34951.4204 Open Access Article Abstract Page Full-Text 2 - Investigating the economic value of water in environmental, agricultural and industrial uses (Case Study: Urmia Lake Watershed) Sayed Morteza Mousavi Mahdi Sarai Tabrizi Hossein Talachi Langeroudi