Symposium. A source book of science experiences for elementary school children: Kindergarten and primary grades; volume one for intermediate grades; volume two for intermediate grades. Louisville, Kentucky: Louisville Public Schools. 1949. 305 p., 277 p., and 320 p.
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1956 ◽
Vol 50
(2)
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pp. 91-103
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1978 ◽
Vol 9
(1)
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pp. 24-28
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1973 ◽
Vol 16
(4)
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pp. 584-585
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1973 ◽
Vol 6
(1)
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pp. 54-56
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2001 ◽
Vol 69
(4)
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pp. 614-626
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