(2017). An Economic Study of the Productive Efficiency of the most Important Food Crops in Egypt. test, 48(1-2), 458-473. doi: 10.21608/ajas.2016.3884
. "An Economic Study of the Productive Efficiency of the most Important Food Crops in Egypt". test, 48, 1-2, 2017, 458-473. doi: 10.21608/ajas.2016.3884
(2017). 'An Economic Study of the Productive Efficiency of the most Important Food Crops in Egypt', test, 48(1-2), pp. 458-473. doi: 10.21608/ajas.2016.3884
An Economic Study of the Productive Efficiency of the most Important Food Crops in Egypt. test, 2017; 48(1-2): 458-473. doi: 10.21608/ajas.2016.3884