Proceedings of the Annual Meeting of Japan Society for Science Education
Online ISSN : 2433-2925
Print ISSN : 2186-3628
ISSN-L : 0913-4476
6
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A Developmental Study on Understanding of "rate" and "ratio"(2).
Shigefumi NAGANOMasaaki YAMAMOTOAiwa Akagi
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Pages 25-26

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© 1982 Japan Society for Science Education
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