Document Type : Research Paper
Authors
1 Assistant Prof., Dept. of Agricultural Economics, Faculty of Agricultural Engineering, Sari Agricultural Sciences and Natural Resources University, Sari, I. R. Iran
2 Associate Prof., Dept. of Agricultural Economics, Faculty of Agricultural Engineering, Sari Agricultural Sciences and Natural Resources University, Sari, I. R. Iran
3 Ph.D of Foresty., Dept. of Forestry, Faculty of Natural Resources, Sari Agricultural Sciences and Natural Resources University, Sari, I. R. Iran
Abstract
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