Creative Behavior and Achievement in Mathematics

Hartung M. L. Van Engen H. Gibb E. G. Stochl J. E. Knowles L. Walch R. Seeing Through Arithmetic Tests. Glenview: Scott, Foresman, 1969.

Kaltsounis B. Stephens H. G. Arithmetic achievement and creativity: Explorations with elementary school children. Perceptual and Motor Skills, 1973, 36, 1160–1162.

Torrance E. P. Torrance Tests of Creative Thinking (directions manual and scoring guide, Form A). Princeton: Personnel Press, 1966.