Document Type : Research Paper
Authors
1 Ph.D Student , Depratment of Agricultural Economics, Marvdasht branch, Islamic Azad University, Marvdasht, Iran
2 Associate Professor, Department of Agricultural Economics, Marvdasht branch, Islamic Azad University, Marvdasht, Iran
3 Assistant Professor, Department of Economics, shiraz branch, Islamic Azad University,SHiraz , Iran
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