Authors
1 Department of Agricultural Extension and Education, Faculty of Agricultural Management, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran.
2 Department Of Agricultural Extension and Education,, Faculty of Agricultural Management,, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
3 Department of Agricultural Extension and Education, Faculty of Agricultural Engineering and Rural Development, Agricultural Sciences and Natural Resources University of Khuzestan, Ahvaz, Iran.
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