1. Post-capitalist society;Drucker,1993
2. Living in a post-traditional society;Giddens,1994
3. Castells M. End of millennium: The information age – Economy, society and culture, vol. 3. Oxford: Blackwell, 1998.
4. Knowledge productivity and the corporate curriculum;Kessels,1996
5. Transfer of training. Action-packed strategies to ensure high payoff from training investments;Broad,1992