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Niels Bohr Nielsen Holdings Nielsen Ratings Niels Henrik Abel Nielsen Corporation Niels Kaj Jerne Niels Gade Nielsen Media Research Niels Ryberg Finsen Nielsen Broadcast Data SystemsTài liệu tham khảo
WikiPedia: Nielsen_Media_Research http://nielsen.com/us/en/contact.html http://www.nielsen.com http://www.sptimes.com/2004/06/11/Business/Univisi... http://www.vnu.com/ https://www.nytimes.com/2001/08/13/business/media-... https://venturebeat.com/2018/09/05/nielsen-acquire... https://web.archive.org/web/20110829055350/http://...