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shuang yue guan cha
Author(s): 
Pages: 14-19
Year: Issue:  2
Journal: The Video-Audio Circle

Abstract: <正>★尼尔森退出,CSM一家独大事件回放: 2008年10月,经过多次尝试,WPP集团终于成功收购了TNS,通过控股TNS,这家全球第二大广告公司成功地控制了CTR和CSM这两家中国最大的媒介市场调研机构,从而放弃了与尼尔森合作的AGB尼尔森,尼尔森公司在回购了AGB全球的业务后,放弃了AGB尼尔森在中国的业务。
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