Document Type : Original Article
Authors
1 Agric. Economics Department, Fac. Agric., Ain Shams Univ.
2 Agric. Economic., Fac. Agric., Ain Shams university
3 Agric. Economics Dept., Fac. Agric., Ain Shams Univ.
4 Department of Agricultural Economics, Faculty of Agriculture, Ain Shams University, Cairo, Egypt
Abstract
Keywords