Symposium. Preparing elementary pupils for the era of atomic energy. Des Moines, Iowa: State Department of Education, 1950. 85 p.
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1997 ◽
Vol 17
(3)
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pp. 387-409
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2012 ◽
Vol 23
(4)
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pp. 367-385
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2017 ◽
Vol 42
(3)
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pp. 143-154
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1981 ◽
Vol 5
(4)
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pp. 283-294
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