A Comparative Study on the Effects of Environmental Education in the Middle School Courses:Focusing on the Environmental Knowledge, Attitude, Practice (중학교 환경교과교육 실시효과에 관한 비교 조사연구 -환경에 관한 지식, 태도, 실천을 중심으로-)
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- Journal of Environmental Health Sciences
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- v.24 no.1
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- pp.9-18
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- 1998