Showing 1 - 2 results of 2 for search 'Spitzer, Herbert Frederick 1906-', Forespørselstid: 0.01s Refine Results
  1. 1

    Enrichment of arithmetic af Spitzer, Herbert Frederick 1906-

    Udgivet 1964
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    Enrichment of arithmetic
  2. 2

    The teaching of arithmetic. af Spitzer, Herbert Frederick 1906-

    Udgivet 1948
    Bog

    The teaching of arithmetic.

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