1. K. Robinson, “Out of our Minds: Learning to be creative” (Oxford, Capstone, 2001).
2. K. Adams, “The Sources Of Innovation On Creativity. A Paper Commsioned by The National Center On Education And The Economy For New Commission on the Skills Of The American Workforce” (National Center On Education and The Economy, 2005).
3. A. Coughlan, DCU Student Learning Resources (2007).
4. Collete and Chiappetta, “Science Instruction in the middle and secondary school”, 3rd. ed (New York, Merril, 1994).
5. E. P. Torrance, Forms A and B – Figural Tests, Forms A (1996).