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검색결과 2건
1.
2023.04
구독 인증기관·개인회원 무료
2.
2011.12
KCI 등재
구독 인증기관 무료, 개인회원 유료
Recent development of communication technology and evolution of telecommunications services, various needs of users are giving Telecom operators difficulties in discovering new services and its promotion strategies. In addition, at the launching of new se
4,000원
