The Effects of Step-by-Step Question-Based Unit Design on Elementary School Students' Understanding of 'Seasonal Change' Concept (단계별 질문 중심의 단원 설계가 초등학생의 '계절의 변화' 개념 이해에 미치는 효과)
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- Journal of the Korean Society of Earth Science Education
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- v.12 no.2
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- pp.151-164
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- 2019