A new look at elementary school science : Science Curriculum Improvement Study
[by] Robert Karplus [and] Herbert D. Thier. Photos. bythe authors
Bok Engelsk 1967
| Utgitt | Chicago : Rand McNally , [1967]
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|---|---|
| Omfang | ix, 204 p. : illus.
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| Opplysninger | Bibliography: p. 188-195.
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| Emner |
