abdullah hassan, M. (2009). Kinetic analysis of the functions of supply and demand. , 6(23), 56-68.
mohsan abdullah hassan. "Kinetic analysis of the functions of supply and demand". , 6, 23, 2009, 56-68.
abdullah hassan, M. (2009). 'Kinetic analysis of the functions of supply and demand', , 6(23), pp. 56-68.
abdullah hassan, M. Kinetic analysis of the functions of supply and demand. , 2009; 6(23): 56-68.


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