George, K. D. (1974). Elementary school science, why and how. D. C. Heath.
Chicago Style (17th ed.) CitationGeorge, Kenneth D. Elementary School Science, Why and How. Lexington, Mass.: D. C. Heath, 1974.
MLA (8th ed.) CitationGeorge, Kenneth D. Elementary School Science, Why and How. D. C. Heath, 1974.
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