Отображение 1 - 2 результаты of 2 для поиска 'Demidova, S.I', время запроса: 0.01сек. Отмена результатов
  1. 1

    Innovations in science, and mathematics education in schools in the Soviet Union

    Опубликовано 1987
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    Innovations in science, and mathematics education in schools in the Soviet Union
  2. 2

    Science and Mathematics Education in the General Secondary School in the Soviet Union по Demidova, S.I

    Опубликовано 1986
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    Science and Mathematics Education in the General Secondary School in the Soviet Union

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