1. Alice, V 2000. "The value evolution : Addressing larger implications of an intellectual capital and intangible perspective.:" Journal of intellectual capital 1, pp 17-32.
2. Argyris, C., & Schon, D.A. 1978. Organizational learning : A theory of action perspective. Reading, MA: Addison-Wesley.
3. Bart, C. (2001). Measuring the mission effect in human intellectual capital. Journal of Intellectual Capital, 2, 3, 320 - 330.
4. Becker, G.s. 1964. Human capital. New York : National Bureau of Economic Research.
5. Blair, M., & Kochan, T (2000). The new relation¬ship : Human capital in the American corpora¬tion. Washington, DC: Brookings Institution Press.
6. Bontis, Nick. 1998. "Intellectual capital : An exploratory study that develops Measures and Models", Management Decision, 36, 2, 63 - 76.7. Bontis, Nick.l996a. "There is price on your head : managing intellectual capital strategically", Business Quarterly, summer, 40 - 47.