1. Al-Khashali, S. J. Knowledge Management and its Impact on Organizational Performance: A Field Study in Jordanian Industrial Companies, Vol. 29, No. 1, 2009, pp. 84-109
2. Al-Safou, Riyadh D. A. Elements of Operations Strategy and Their Impact on the Balanced Scorecard, University of Mosul, Iraq, 2009.
3. Wirtz, J. Managing human resources for service excellence and cost effectiveness at Singapore Airlines, Strategic Direction, Vol. 24, No.7., 2008, pp. 4-19.
4. Safwan A. S., Mohammad, B.Y. Functional structure of special computerized information system, Journal of Environmental Science, Computer Science and Engineering &Technology,Vol. 4, No. 1, 2014, p. 12
5. Ilic, B. S. & Salaimeh, S. A. Management of telecommunication operator services in Serbia– Case study Eastern Serbia. WSEAS Transactions on Business and Economics, Vol. 19, No.1, 2022, pp. 977-984