APA (7th ed.) Citation
FRIDRIKSSON, T., & STEWART, D. (1989). FROM THE CONCRETE TO THE ABSTRACT: MATHEMATICS FOR DEAF CHILDREN.
Chicago Style (17th ed.) Citation
FRIDRIKSSON, T., and D.A STEWART. FROM THE CONCRETE TO THE ABSTRACT: MATHEMATICS FOR DEAF CHILDREN. 1989.
MLA (9th ed.) Citation
FRIDRIKSSON, T., and D.A STEWART. FROM THE CONCRETE TO THE ABSTRACT: MATHEMATICS FOR DEAF CHILDREN. 1989.
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