3Guilford, J. P. 1967. The nature of human intelligence. New York: McGmw-Hin.
4Taylor, C. W. Questioning and creating: a model for curriculum reform. The Journal of Creative Behavior,1967,1(1), 22-33.
5Williams, F. E. A Total Creativity Program for Individualizing and Humanizing the Learning Process Englewood Cliffs,NJ: Educational Technology Publications, 1972.
6Treffinger,D. J. Encouraging creative learning for the gifted and talented ventura, CA: Ventura County Schools/LT1, 1980.
7Renzulli, J. S. A general theory for the development of creative productivity through the pursuit of ideal acts of learning. Gifted Child Quarterly, 1992, 36(4): 170-182.
8Osbom, A, F. Applied imagination. Charles Scribner's Sons. New York, 1963.
9De Bono, E. Lateral Thinking-A Textbook of Creativity. London: Ward Lock Educational Limited,1970.
10Torrance, E.P. Encouraging creativity in the classroom. Wm. C. Brown Company Publishers, 1972.
