Helmy, O., Elmorshedy, R. (2013). CRITERIA FOR THE LIMITATIONS OFOPTIMAL EFFICIENCY OF CITIESABSTRACT. test, 41(No 3), 1286-1304. doi: 10.21608/jesaun.2013.114792
Osama Helmy; Riam Elmorshedy. "CRITERIA FOR THE LIMITATIONS OFOPTIMAL EFFICIENCY OF CITIESABSTRACT". test, 41, No 3, 2013, 1286-1304. doi: 10.21608/jesaun.2013.114792
Helmy, O., Elmorshedy, R. (2013). 'CRITERIA FOR THE LIMITATIONS OFOPTIMAL EFFICIENCY OF CITIESABSTRACT', test, 41(No 3), pp. 1286-1304. doi: 10.21608/jesaun.2013.114792
Helmy, O., Elmorshedy, R. CRITERIA FOR THE LIMITATIONS OFOPTIMAL EFFICIENCY OF CITIESABSTRACT. test, 2013; 41(No 3): 1286-1304. doi: 10.21608/jesaun.2013.114792