List of Articles کشش های قیمتی Open Access Article Abstract Page Full-Text 1 - Economic assessment and Policies on controlling air pollution due to Transportation: Case study of Tehran J. Pejoyan A. moghiminia Open Access Article Abstract Page Full-Text 2 - Investigating the Production Structure of Trout Culture Farms in Tehran Province M. Baniasad H. Salami N. Shiri M. Yaghobi