hussen ahmad, Y. (2009). the effect of prophence in future study. , 3(6), 68-84.
yehyia hussen ahmad. "the effect of prophence in future study". , 3, 6, 2009, 68-84.
hussen ahmad, Y. (2009). 'the effect of prophence in future study', , 3(6), pp. 68-84.
hussen ahmad, Y. the effect of prophence in future study. , 2009; 3(6): 68-84.


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