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윤연상, 김승열, 권순열, 박진섭, 김용대, 유영갑, | 대한전자공학회 | 2004 ,
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Great Neck Publishing [, ]
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US Department of Education [, ]
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US Department of Education [, ]
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Great Neck Publishing [, ]
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Great Neck Publishing [, ]
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Instructional Innovation [, ]
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US Department of Education [, ]
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