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28" 42 | 2010

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Kasahara, K. (1973). Origami made easy. (26th edition, july 1997). Japan publication. INC., Tokyo & N. Y.

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McGraw-Hill.

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203.

Tennyson, R. D., & Cochiarella, M. J. ( 1986). An empirically based instructional design theory for teaching concepts. Review

of education science research, 56, 40-71.

Van Hiele, P. M. (1986). Structure and insight. Orlando, Fl: Academic Press.

Van Hiele, P. M. (1999). Developing geometric thinking through activities that begin with play. Teaching Children Mathematics,

5(6), 310-316.

Vigotsky, L. S.(1978). Interactions between Developments and Learning. In: M. Cole (Ed.), Mind in Society, (pp 79-91).

Cambridge, Massachusetts: Harvard University Press.

Zaslavsky, C. (1994). Fear of math: How to get over it and get on with your life. New-Jersey: Rutgers University Press.

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