Brainerd, C.J.(1978). PiagetÊs theory of intelligence. New Jersey: Prentice Hall, Inc.

Coles, R. (2001). The Erik Erikson reader. London: W.W Norton & Company Ltd.

Edward de Bon. (1994). Serious creativity: Using the power of lateral thinking to create new ideas. New York: Harper-Collins.

Erikson, E.H.(1993). Childhood and sociaty. W.W Norton & Company Ltd.

Evans, R. (1973). Jean Piaget: The man and his ideas. New York: E.P Dutton & Co. Inc.

Gardner, H. (1993). Multiple Intelligence: The Theory in Practice. New York: Basic Books.

Gardner, H. (1999). Intelligence reframe: Multiple Intelligence for the 21st Century. New York: Basic Books.

Gruber, H.E.(1981). Darwin on man: A Psychologycal study of scienctific creativity. (2nd ed.). Chicago: University of Chicagi Press.

Harvey, O.J., Hoffmeister J.K., Ciates, C., & White J.B.(1979). A partial Evaluation of TorranceÊs test of creativity. American Educational Research

James M. Higgins. (2001). Creative problem solving technicques: The handbook of new ideas for business. New management Publishing Company.
Journal, Vol 7 (3), pp. 359-372.

Kornhaber, M., Fieros, E & Veenema, S. (2004). Multiple Intelligence: Best Ideas from Research and Practice. Boston: Pearson Education.

Paul E. Plsek. (1997). Creativity, innovations and quality. ASQC Quality Press.

Rothenberg, A & Hausmen, C. (1976). The creativity question. Durham: Duke University press.

Srernberg, R.J., Kaufmann, J.C. & Pretz, J.E.(2002). The creativity conundrum. New York: Pyschilogy Press.

Teresa M. McDevitt (2004). Child development. Pearson Education, Inc.

Torrance, E.P.(1989). Scientific views of creativity and factors affecting its growth. In J. Kagan, ed., Creativity learning, Bostom: Houghton Mifflin.

Vygotsky, L. S.(1962). Though and Language. Chambridge, M.A: MIT Press. (Original Work Published 1934).

Vygotsky, L. S.(1978). Mind in society: The Development of Higher Psychological Process. Cambridge, M.A: Havard University Press.