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  1. 31
    Published 1963
    Book

    An analysis of new mathematics programs.
  2. 32
    Published 1963
    Book

    Enrichment mathematics for the grades.
  3. 33
    Published 1963
    Book

    An analysis of new mathematics programs.
  4. 34
    Published 1960
    Book

    Instruction in arithmetic.
  5. 35
    Published 1959
    Book

    The Growth of mathematical ideas, grades K-12.
  6. 36
    Published 1953
    Book

    The learning of mathematics its theory and practice
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