Showing 1 - 2 results of 2 for search 'Spitzer, Herbert Frederick 1906-', tempo de consulta: 0.01s Limitar resultados
  1. 1

    Enrichment of arithmetic por Spitzer, Herbert Frederick 1906-

    Publicado 1964
    Libro

    Enrichment of arithmetic
  2. 2

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

    Publicado 1948
    Libro

    The teaching of arithmetic.

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