The Development of the Elementary Environmental Education Textbook Relevant to Global Warming based on Responsibility Ethics - Focused on 5th, 6th Grade Students - (책임윤리학에 기초한 지구온난화 관련 초등 환경교육 교재 개발 - 초등학교 5, 6학년을 중심으로 -)
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- Hwankyungkyoyuk
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- v.22 no.3
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- pp.31-48
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- 2009