Igishushanyo cya peteroli ya kokiya Koresha mu gukora ibyuma
Ibisobanuro bigufi:
Kokiya ya peteroli ishushanyije (GPC) igira uruhare runini nk'inyongera ya karubone mu mashanyarazi ya arc no mu itanura ritunganya amavuta, byemeza ko karubone ihoraho.
