El-Seify, E., Ghanem, A., Kamara, S. (2014). 'Impact of Achieving Full Technical Efficiency for the Production of Wheat Farms in Different The Governorates on Self-Sufficiency and Egyptian Imports for Wheat', Alexandria Science Exchange Journal, 35(January-March), pp. 48-60. doi: 10.21608/asejaiqjsae.2014.158306