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�� [??] ???. "??????? ???? ????? BI ????." ???????? �hꖴ�WУ �b�I���I��WԺ, 2000. ??
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�� [??]������. "????? ???? ????? ?? ?? ?? ????? ?? ? ?? ??." ???????? ���ϴ�WУ ��WԺ, 2011. ??
�� [??] ???.?(2011).???? ??-??? ??? QR??? ?? ??? ??.??????????,?11(1),?505-514.
�� [??] ???,???,???,???,Kim Bong-Sik,Kim Keon-Woo,Baik Seung-Jo,and Park Woo-Sang. "3?? ????? ?? ELC ??? ????? ?? ?? ? ?? ??." ??????????? 26.6 (2013): 457-461.
�� [??] ???. "3?? ????? ?? ???? ??? ????." ???????? ????? ???, 2013. ??
�� [??] ???. "????? ?? ?? ??? ??." ???????? ????? ???, 2000. ??
�� [??] ???.?(2020).?4? ???? ??? ????, ??? ??? ???.???????,?20(3),?23-33.
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