Document Type : Research article
Authors
1 Corresponding author, Professor, Department of Agricultural Economics, Sari Agricultural Sciences and Natural Resources University
2 Ph.D of Forestry, Faculty of Natural Resources, Agricultural Sciences and Natural Resources University Sari
3 Professor, Department of Forestry, Faculty of Natural Resources, Tarbiat Modares University, Noor
4 Ph.D. Department of Agricultural Economics, Sari Agricultural Sciences and Natural Resources University
5 Ph.D Student, Department of Agricultural Economics, Sari Agricultural Sciences and Natural Resources University