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1 이문행, "국내 연예 매니지먼트 회사의 사업 다각화 현황 (SM 엔터테인먼트, 사이더스 IHQ, 예당 엔터테인먼트를 중심으로)" 한국콘텐츠학회 9 (9): 208-218, 2009
2 장윤희, "국내 매스미디어 기업의 사업다각화와 경영성과에 관한 연구" 한국언론정보학회 43 (43): 173-208, 2008
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9 "Siminilbo"
10 Yoo, S.C, "Secrets of Korean Wave" 124 : 208-, 2005
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