(2009). active role of the internal & extirinal about company. , 15(54), 334-354.
. "active role of the internal & extirinal about company". , 15, 54, 2009, 334-354.
(2009). 'active role of the internal & extirinal about company', , 15(54), pp. 334-354.
active role of the internal & extirinal about company. , 2009; 15(54): 334-354.


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