An Analysis of Teachers and Students' Difficulties in the Classes on 'Electric Circuit' Unit of Elementary School Science Curriculum (초등학교 과학과 '전기회로' 단원 수업에서 겪는 교사와 학생의 어려움 분석)
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- Journal of Korean Elementary Science Education
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- v.33 no.3
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- pp.597-606
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- 2014