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• Yaghobzadeh.Maryam The Role and Importance of Evaluating Ecosystem Economic Services Specially Wetlands In Supporting Natural Resources and to Increase Society Welfare [ Vol.20, Issue 1 - Spring Year 1401]
• yazdani.Himan Effective Social and Individual Factors on Attitude of Rural People in Marivan Township toward Environment [ Vol.20, Issue 3 - Autumn Year 1401]
• yousefvand.fariborz Investigation of Functional Units and Method of Construction of Water Treatment Plants [ Vol.20, Issue 2 - Summer Year 1401]