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홍재원; 옥경영
Yan Zhou; 옥경영
백영미; 옥경영
옥경영; 홍재원
Moon, Chung-Sook; Ohk, Kyungyoung; Choi, Chul
옥경영; 김미예
옥경영; 박승배; 민경식
Ohk, Kyungyoung; Hong, Jaewon
Kim, Min-Jeong; Ohk, Kyungyoung; Moon, Chung-Sook
Ohk, Kyungyoung; Kim, Miyea; Kim, Kayeong