Piagetian cognitive-development research and mathematical education.
Edited by Myron F. Rosskopf, Leslie P. Steffe [and] Stanley Taback.

APA Citation

Taback, S., Steffe, L. P., Rosskopf, M. Frederick., Columbia University. Teachers College. Department of Mathematical Education., National Council of Teachers of Mathematics. (1971). Piagetian cognitive-development research and mathematical education. [Washington]: National Council of Teachers of Mathematics.

MLA Citation

National Council of Teachers of Mathematics, et al.. Piagetian Cognitive-development Research And Mathematical Education. [Washington]: National Council of Teachers of Mathematics, 1971.