k. abid, Y., luaa, (2011). The legal basis for the legality of the contract management and its importance in the performance of their duties of public authority. , 0(53), 431-450.
y k. abid; luaa. "The legal basis for the legality of the contract management and its importance in the performance of their duties of public authority". , 0, 53, 2011, 431-450.
k. abid, Y., luaa, (2011). 'The legal basis for the legality of the contract management and its importance in the performance of their duties of public authority', , 0(53), pp. 431-450.
k. abid, Y., luaa, The legal basis for the legality of the contract management and its importance in the performance of their duties of public authority. , 2011; 0(53): 431-450.