• Journal for Research in Mathematics Education (1978) Vol. 9, No. 2

    ISSN 0021-8251 JOURNAL FOR RESEARCH IN MATHEMATICS EDUCATION The Relationship between the Mathematical Structure of Euclidean Transformations and the Spontaneously Developed Cognitive Structures of Young Children John C. Moyer The Use of Manipulative Materials and Student Performance in the Enactive and Iconic Modes Je