Saleha Jamshaid, Zakia Jalil, Malik Sikander Hayat Khiyal and Muhammad Imran Saeed
Information Technology Journal 6 ( 2 ): 174 - 181 , 2007
Samia Aslam Sherwani and Malik Sikander Hayat Khiyal
Information Technology Journal 6 ( 3 ): 376 - 379 , 2007