Comparison of Internal and External Frameworks for Units on Magnets in Elementary Science Textbooks First Developed by the Authorization System (검정제에 의해 최초 개발된 초등과학교과서들의 자석 단원에 대한 내외적 체제 비교)
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- Journal of The Korean Association For Science Education
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- v.42 no.5
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- pp.525-542
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- 2022