1. Abran, A., Ormandjieva, O., & Abu Talib, M. (2001). Information-theory-based functional complexity measures and function size with COSMIC-FFP. Université du Québec à Montréal.
2. Allen, B. (1995). Diversity and organizational communication. Journal of Applied Communication Research, 23, 143–155.
3. Bandura, A. (1997). Self-efficacy: The exercise of control. WH Freeman.
4. Beck, K. (1999). Extreme programming explained—Embrace change. Addison-Wesley.
5. Brooks, F. (1975). The mythical man-month. Addison-Wessley. ISBN 0-201-00650-2.