A Comparison of Scientific Concepts Acquisition between Cognitive Conflict and Non-Conflict Groups in Korean Elementary Schools (초등학생의 갈등유발집단과 비갈등집단의 개념 형성 정도 및 지속 효과)
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- Journal of The Korean Association For Science Education
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- v.18 no.3
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- pp.273-282
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- 1998