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  1. 1

    Electron micrographs in the teaching of biology по Feldman, Dorthy Gelber

    Опубликовано 1962
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    Electron micrographs in the teaching of biology
  2. 2

    Modern junior high school science a recommended sequence of courses по Fishler, Abraham S.

    Опубликовано 1961
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    Modern junior high school science a recommended sequence of courses
  3. 3

    Modern high school chemistry a recommended course of study по Pierce, Edward F.

    Опубликовано 1960
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    Modern high school chemistry a recommended course of study
  4. 4

    Modern high school physics a recommended course of study

    Опубликовано 1959
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    Modern high school physics a recommended course of study
  5. 5

    A guide to engineering education по Eller, Frank W.

    Опубликовано 1958
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    A guide to engineering education

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