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Removable Logo Watermarking Technique
Dong Joon Cho   Hyuk Choi
Vol. 15, No. 6, pp. 857-860, Dec. 2008
10.3745/KIPSTD.2008.15.6.857
Analysis of Learning Effects on Utilization of CAI Program
Hae Gon Cho  Jae Yeul Chung  Young Uhg Lho  Jae Hyuk Choi
Vol. 9, No. 1, pp. 113-120, Mar. 2002
10.3745/KIPSTA.2002.9.1.113