Saib Naji, A. (2006). A comparison of the interfacial friction factor methods in horizontal and downwardly inclined annular flow in pipes. , 12(5), 931-938.

Ahmed Saib Naji. "A comparison of the interfacial friction factor methods in horizontal and downwardly inclined annular flow in pipes". , 12, 5, 2006, 931-938.

Saib Naji, A. (2006). 'A comparison of the interfacial friction factor methods in horizontal and downwardly inclined annular flow in pipes', , 12(5), pp. 931-938.

Saib Naji, A. A comparison of the interfacial friction factor methods in horizontal and downwardly inclined annular flow in pipes. , 2006; 12(5): 931-938.