K. Jbara, O., A. Mahmood, M. (2016). FUNCTION ESTIMTING THE COSTS IN DIYALA PROVINCE. Alustath, 8(1), 134-147.
Osamah K. Jbara; Mhanaa A. Mahmood. "FUNCTION ESTIMTING THE COSTS IN DIYALA PROVINCE". Alustath, 8, 1, 2016, 134-147.
K. Jbara, O., A. Mahmood, M. (2016). 'FUNCTION ESTIMTING THE COSTS IN DIYALA PROVINCE', Alustath, 8(1), pp. 134-147.
K. Jbara, O., A. Mahmood, M. FUNCTION ESTIMTING THE COSTS IN DIYALA PROVINCE. Alustath, 2016; 8(1): 134-147.


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