The development of social studies teaching-learning system for ICT using and self-directed learning ability Improvement (ICT 활용과 자기 주도적 학습력 신장을 위한 사회과 교수-학습 시스템 개발)
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- Journal of The Korean Association of Information Education
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- v.7 no.2
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- pp.207-217
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- 2003