A Reconstruction of Probability Unit of Elementary Mathematics Textbook Based on Freudenthal's Reinvention Method (Freudenthal의 재발명 방법에 기초한 제7차 초등수학교과서 확률 단원 재구성)
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- Journal of Elementary Mathematics Education in Korea
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- v.12 no.1
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- pp.79-100
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- 2008