Gary E. Davis, and Mercedes A. Mcgowen. proceedings of the Annual Meeting of the 26th Annual Meeting of the International Group for the Psychology of Mathematics Education PME, 2, page 273-280. Norwich, UK, University of Norwich, (July 2002)
Gary E. Davis, and Mercedes A. Mcgowen. proceedings of the Annual Meeting of the 26th Annual Meeting of the International Group for the Psychology of Mathematics Education PME, 2, page 273-280. Norwich, UK, University of Norwich, (July 2002)