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1
Hill, Charles W. L., 322.8-H648i-안진홍 | Irwin/McGraw-Hill | 1999 322.8-H648i-안진홍,
2
National Notary Association,, 359.42-N277c-안진홍 | National Notary Association | 1997 359.42-N277c-안진홍,
1
한국수학교육학회 [교육학, ]