(2012). Petroleum Derivatives in Iraq The phenomenon of Renewable or Passing crisis. , 18(67), 226-245.
. "Petroleum Derivatives in Iraq The phenomenon of Renewable or Passing crisis". , 18, 67, 2012, 226-245.
(2012). 'Petroleum Derivatives in Iraq The phenomenon of Renewable or Passing crisis', , 18(67), pp. 226-245.
Petroleum Derivatives in Iraq The phenomenon of Renewable or Passing crisis. , 2012; 18(67): 226-245.


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