1. Ausubel, D.P. (2000). The acquisition and retention of knowledge. Dordrecht: Kluwer.
2. Gardner, H. (2006). Multiple Intelligences. New Horizons, New York: Basic Books.
3. Gardner, H. (2009). Five Minds for the Future. Harvard Business School Press.
4. Jonassen, D.H. (1994). Thinking Technology. Educational Technology, 34 (4), 34-37.
5. Lebow, D. (1993). Constructivist values for systems design: five principles toward a new mindset. Educational Technology Research and Development, 41, 4-16.