Document Type : Research Paper
Authors
1 Graduated Student of Department of Agricultural Extension and Education, College of Agriculture, Garmsar Branch, Islamic Azad University, Garmsar, Iran.
2 Department of Agricultural Extension and Education, College of Agriculture, Garmsar Branch, Islamic Azad University, Garmsar, Iran.
3 Assistant Professor of Economics and Ag. Development, University of Tehran, Karaj, Iran
Abstract
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