BANJA LUKA (Bosnia and Herzegovina), April 11 (SeeNews) – The future of Bosnian oil refinery Rafinerija Nafte Brod [BANJ:RNAF-R-A] is uncertain without support from its Russian parent NeftegazInCor, considering its accumulated consolidated loss of 591.3 million marka ($320.8 million/302.3 million euro) by the end of 2016, auditing company KPMG said.