Document Type : Original Article
Authors
1 Agric. Economics, Fac. Agric., Ain Shams Univ.
2 Department of Agricultural Economics, Faculty of Agriculture, Ain Shams University, POBox 68 - 11241, Hadayek Shubra, Cairo, Egypt.
3 Department of Agricultural Economics, Faculty of Agriculture, Ain Shams University, Cairo, Egypt
Abstract
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