1. J. Liebowitz, Knowledge organization. What every manager should know, CRC Press, 1998, p.14
2. I. Nonaka, The Knowledge Creating Company in Harvard Business Review on Knowledge Management, 1998, pp.21-45
3. C. Argyris and D. Schon, Organizational learning — A Theory of Action Perspective, Addison-Wesley, 1978, p.29
4. P. Senge, The Fifth Discipline — The Art and Practice of the Learning Organization, Random House, 1990, p.3
5. K., M. Wiig, The Intelligent Enterprise and Knowledge Management, 2000, http://www.krii.com/downloads/intellig_enterprise%20&%20km.pdf