(2015). The evolution of global oil reserves According to production and price changes For the period (1985-2011). , 0(17), 175-198.
. "The evolution of global oil reserves According to production and price changes For the period (1985-2011)". , 0, 17, 2015, 175-198.
(2015). 'The evolution of global oil reserves According to production and price changes For the period (1985-2011)', , 0(17), pp. 175-198.
The evolution of global oil reserves According to production and price changes For the period (1985-2011). , 2015; 0(17): 175-198.


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