D. Nazim Hassan Abdel Sayed, A. (2012). Account the impact of costs and their replacement decisions averages An Empirical Study in the General Company for the production of electrical energy (Station electricity Najibiyah). , 0(90), 77-87.
A.. D. Nazim Hassan Abdel Sayed. "Account the impact of costs and their replacement decisions averages An Empirical Study in the General Company for the production of electrical energy (Station electricity Najibiyah)". , 0, 90, 2012, 77-87.
D. Nazim Hassan Abdel Sayed, A. (2012). 'Account the impact of costs and their replacement decisions averages An Empirical Study in the General Company for the production of electrical energy (Station electricity Najibiyah)', , 0(90), pp. 77-87.
D. Nazim Hassan Abdel Sayed, A. Account the impact of costs and their replacement decisions averages An Empirical Study in the General Company for the production of electrical energy (Station electricity Najibiyah). , 2012; 0(90): 77-87.