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RIO DE JANEIRO, Aug. 16, 2013 /PRNewswire/ -- Oi S.A. (BOVESPA: OIBR3, OIBR4; NYSE: OIBR.C, OIBR) (the "Company") discloses to its shareholders and the market in general that Fitch announced today its review of the credit rating attributed to the Company, downgrading the long-term...
Source : http://www.prnewswire.com/news-releases/oi-sa-noti...
Source : http://www.prnewswire.com/news-releases/oi-sa-noti...
Mobile Value Added Services (MVAS) Market by Solution, by End User, by Vertical, & by Geography - Global Forecast and Analysis to 2020 - Reportlinker Review
