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  1. 1

    A critical study of the contents of books in arithmetic in the primary grades in Thailand [microform] by Thumchai, Rawiwan 1931-

    Published 1976
    Visual Material

    A critical study of the contents of books in arithmetic in the primary grades in Thailand [microform]
  2. 2

    A critical study of the contents of books in arithmetic in the primary grades in Thailand by Thumchai, Rawiwan 1931-

    Published 1963
    Book

    A critical study of the contents of books in arithmetic in the primary grades in Thailand

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