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2
Atkinson , Hawley, 325.65-A875'l-안진홍 | ASQC Quality Press:Institute of Management Accountants | 1994 325.65-A875'l-안진홍,
3
Pfaffenberger, Bryan, 005.43-P523'l | QUE | 1992 005.43-P523'l,
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Association for Educational Communications & Technology [, ]