Document Type : Research Paper
Authors
1 Associate Professor of Economics of natural resources and environment, Agricultural economics department, Urmia University, Urmia, Iran
2 PhD student of Agricultural Economics, Agricultural economics department, Faculty of agricultural economics and development, University of Tehran, Tehran, Iran
3 university of tehran
4 MSc Student of Agricultural Economics, Agricultural economics department, Agricultural economics department, Urmia University, Urmia, Iran
Abstract
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