A. Zween, A. (2009). Messurment of customer satisfaction for product improving. University of Basrah - Journals Management System, 3(5), 70-97.
Ammar A. Zween. "Messurment of customer satisfaction for product improving". University of Basrah - Journals Management System, 3, 5, 2009, 70-97.
A. Zween, A. (2009). 'Messurment of customer satisfaction for product improving', University of Basrah - Journals Management System, 3(5), pp. 70-97.
A. Zween, A. Messurment of customer satisfaction for product improving. University of Basrah - Journals Management System, 2009; 3(5): 70-97.