본문

Multilingual
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King, D. Brett, 180-K52시 | 교육과학사 | 2009 180-K52시,
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Williams, Richard H, 539.98-W726u | UCL Press | 1994 539.98-W726u,
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Bacha Jr, William J., 528.1-B118수 | 이공월드 | 2000 528.1-B118수,