List of Articles Shahrud Open Access Article Abstract Page Full-Text 1 - Taxes and Expenditures of Provinces under the Qajars: Revenue and Expenditure Instruction of Bastām - Shāhrūd Region, 1877-1878 محمد علی کاظم بیگی سید مصطفی حسینی Open Access Article Abstract Page Full-Text 2 - The Effect of Pollutants Dissolved Oxygen and Temperature Change (Case Study:Ghezel-Ozen River) Siamak Boudaghpour Open Access Article Abstract Page Full-Text 3 - Identification and Study of Distribution of Qanat Fish Species in Shahroud Area حسن صادقی هومن شجیعی شهرام شرفی