Document Type : Original Article
Authors
1 Agric. Economics Dept., Fac. of Agric., Ain Shams Univ., P.O. Box 68, Hadayek Shobra11241, Cairo, Egypt قسم الاقتصاد الزراعي-کليه الزراعه- جامعه عين شمس - مصر
2 Agric. Economics Dept., Fac. of Agric., Ain Shams Univ., P.O. Box 68, Hadayek Shobra11241, Cairo, Egypt
Abstract
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