BANJA LUKA (Bosnia and Herzegovina), October 25 (SeeNews) – Bosnian oil refinery Rafinerija Nafte [BANJ:RNAF-R-A] said on Friday its net loss widened to 30.8 million marka ($21.8 million/15.7 million euro) in the first nine months of 2013 from 16.1 million marka a year earlier.