1. Mehran Univerity of Engineering and Technology,Dept. of Software Engineering,Jamshoro,Sindh,Pakistan
2. School of Electronic Engg. & Opto. Tech. 1Nanjing University of Science and Technology,Nanjing,China,210094
3. Victorain Institute of Technology Higher Education Information Technology,Melbourne,Australia
4. Beijing University of Posts and Telecommunication Haidian,Beijing,China