Teachers' Cognitions about the Primary Science Textbooks(Experiment and Observation) and It's Improvement in Science Classes (과학수업에서 실험관찰 교과서에 대한 교사들의 인식과 활용 방안)
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- Journal of the Korean Society of Earth Science Education
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- v.4 no.1
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- pp.12-19
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- 2011