1. Pulic, Ante (2000). VAIC™ an accounting tool for IC management. International Journal of Technology Management, Volume 20, Number 5, Pages 702-714.
2. Al-Mafraji, A., Ahmed Ali, S., (2003). Titled: " Spending on intellectual capital and its impact on the success of industrial companies", Conference of the University of Applied Sciences, University of Applied Sciences, Amman, Jordan.
3. Metwally, Essam El Din Mohamed and Ali, Ahmed Salah (2010). "Concept and Models of Accounting Measurement of Intellectual Capital", The 25th Annual Conference, Mansoura University, Mansoura, Egypt.
4. Rousan, M. A. and Al-Ajlouni, M. M. (2010). Titled: “The Impact of Intellectual Capital on Jordanian Banks”, Damascus University Journal of Economic and Legal Sciences, Volume 26, Issue 2, pages 37-57.
5. Al-Azzawi, M. A. (2013). Titled: “Performance Indicators”, Al-Zaytoonah University Conference, Al-Zaytoonah University, Amman, Jordan.