Report copyright - HWAHAK KONGHAK Vol. 40, No. 6, December, 2002, pp. 681-686cheric.org/PDF/HHKH/HK40/HK40-6-0681.pdf · HWAHAK KONGHAK Vol. 40, No. 6, December, 2002, pp. 681-686 † * * ( ) (2002
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