Gergls, M., Refaat, A. (2006). COMPARATIVE STUDY OF PRODUCTION ECONOMICS OF ONION CROP IN THE NEW AND OLD LANDS AT EL FAYOUM GOVERNORATE. test, 31(2), 761-771. doi: 10.21608/jaess.2006.156680
M. M. Gergls; A. A. Refaat. "COMPARATIVE STUDY OF PRODUCTION ECONOMICS OF ONION CROP IN THE NEW AND OLD LANDS AT EL FAYOUM GOVERNORATE". test, 31, 2, 2006, 761-771. doi: 10.21608/jaess.2006.156680
Gergls, M., Refaat, A. (2006). 'COMPARATIVE STUDY OF PRODUCTION ECONOMICS OF ONION CROP IN THE NEW AND OLD LANDS AT EL FAYOUM GOVERNORATE', test, 31(2), pp. 761-771. doi: 10.21608/jaess.2006.156680
Gergls, M., Refaat, A. COMPARATIVE STUDY OF PRODUCTION ECONOMICS OF ONION CROP IN THE NEW AND OLD LANDS AT EL FAYOUM GOVERNORATE. test, 2006; 31(2): 761-771. doi: 10.21608/jaess.2006.156680