1. Abdullah, M. R., Abdul Azis, A. A., & Abdul Rahman, I. (2009). Potential effects on large mara construction projects due to construction delay. International Journal of Integrated Engineering, 1(Civil and Environmental Engineering), 53–62.
2. Ainin, S., Kamarulzaman, Y., Farinda, A. G., & Che Azmi, A. (2010). Business and entrepreneur characteristics influence on business performance of professional small medium enterprises. In Proceedings of the 5th European Conference on Entrepreneurship and Innovation, Univ. of Athens, Greece (pp. 31–41).
3. Baccarini, D. (1996). The concept of project complexity—a review. International Journal of Project Management, 14(4), 201–204. https://doi.org/10.1016/0263-7863(95)00093-3
4. Baghaei, P. (2008). The Rasch model as a construct validation tool. Transactions of the Rasch Measurement SIG American Educational Research Association, 22(1), 1145–1162.
5. Bond, T. G., & Fox, C. M. (2007). Applying the Rasch model: Fundamental measurement in the human sciences (2nd ed.). Lawrence Erlbaum Associates Inc.