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  • ^ "K-1 could be purchased after a financial problem!? Like Pride?", January 23, 2011, Livedoor Sports (Japanese)
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  • ^ [liverkick.com/index.php?option=com_content&view=article&id=1258:qmr-kimq-acquires-k-1&catid=36:k-1forum/showthread.php?120526-K-1-Isshi-EMCOM-FEG-Mr-Kim-etc-Bas-Boon-interview "Mr. Kim" Acquires K-1?], February 1, 2012, Liverkick.com
  • ^ It's Showtime Closes Deal with the New K-1 Organization, March 6, 2012, itsshowtime.nl
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  • ^ "K-1 OFFICIAL WEB SITE". K-1.co.jp. k-1gp/top897.htm. Retrieved 2009-11-18. 
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