Ahmed Ibrahi Ali, D. (2016). The global oil market analysis. Alustath, 0(50), 7-53.
Dr. Ahmed Ibrahi Ali. "The global oil market analysis". Alustath, 0, 50, 2016, 7-53.
Ahmed Ibrahi Ali, D. (2016). 'The global oil market analysis', Alustath, 0(50), pp. 7-53.
Ahmed Ibrahi Ali, D. The global oil market analysis. Alustath, 2016; 0(50): 7-53.


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