A Self-Directed Learning System of the Learner center e-Learning 2.0 Environment (e-Learning 2.0 환경에서의 학습자 중심의 자기주도적 학습 시스템)
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- Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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- 2007.10a
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- pp.687-690
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- 2007