Effects of Youth Voluntary Service on Sense of Citizenship, Positive Self-perception, and Peer Relation - The Comparison between Middle School and High School Students- (청소년의 자원봉사활동이 시민의식과 긍정적 자기지각 및 또래관계에 미치는 영향 - 중학생과 고등학생 간 비교 -)
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- Korean Journal of Human Ecology
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- v.21 no.4
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- pp.729-744
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- 2012