Pakistan Journal of Social Sciences 5 ( 4 ): 324 - 327 , 2008
Pakistan Journal of Social Sciences 5 ( 7 ): 691 - 695 , 2008
Research Journal of Applied Sciences 2 ( 7 ): 815 - 822 , 2007
Research Journal of Applied Sciences 2 ( 9 ): 1001 - 1006 , 2007
The Social Sciences 3 ( 6 ): 467 - 472 , 2008
The Social Sciences 3 ( 8 ): 542 - 547 , 2008
The Social Sciences 3 ( 8 ): 548 - 550 , 2008