A determination of principles desirable for a course of general science at the junior high school level. [I]
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Level I
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1951 ◽
Vol 20
(1)
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pp. 41-66
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2020 ◽
Vol 1
(2)
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pp. 127-140
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1981 ◽
Vol 6
(1)
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pp. 24-36
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1938 ◽
Vol 22
(73)
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pp. 98-103
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1963 ◽
Vol 34
(4)
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pp. 521-524
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