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Information Technology Journal 6 ( 1 ): 103 - 109 , 2007
Ghulam Mustafa, Abad Ali Shah, Khadim Hussain Asif and Amjad Ali
Information Technology Journal 6 ( 1 ): 74 - 81 , 2007
Muhammad Shoaib and Abad Ali Shah
Journal of Computer Science 2 ( 3 ): 224 - 228 , 2006