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A study on demand on 3G service : focused on diffusion factor analysis and demand forecast = 차세대 이동통신 서비스 시장전망에 관한 연구link Lee, Hyeong-Jik; 이형직; et al, 한국정보통신대학교, 2003 |
Three essays on the telecommunications industry : emerging services, scale economies and earnings management of telecommunications firms = 통신산업에 관한 연구link Lee, Hyeong-Jik; 이형직; et al, 한국정보통신대학교, 2007 |
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