I.M. Qureshi, T.a. Cheema, A. Naveed and A. Jalil
Information Technology Journal 2 ( 1 ): 21 - 24 , 2003
I.M. Qureshi, A. Naveed, T.A. Cheema and A. Jalil
Information Technology Journal 2 ( 1 ): 65 - 68 , 2003
I.M. Qureshi and A. Jalil
Journal of Applied Sciences 2 ( 3 ): 281 - 287 , 2002