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Choi, Hosik; Koo, Ja-Yong; Park, Changyi
Choi, Byoung-Jeong; Kim, Kwang-Rae; Cho, Kyu-Dong; Park, Changyi; Koo, Ja-Yong
Lee, Sangjun; Park, Changyi; Koo, Ja-Yong
Koo, Ja-Yong; Park, Kwi Wook; Kim, Byung Won; Kim, Kwang-Rae; Park, Changyi
Park, Changyi; Kim, Kwang-Rae; Myung, Rangmi; Koo, Ja-Yong