1. M. Javed:
Department of Information Technology, Hazara University, Mansehra, Pakistan
2. M. Naeem:
Department of Information Technology, Hazara University, Mansehra, Pakistan
3. F. Bahadur:
Department of Information Technology, Hazara University, Mansehra, Pakistan
4. A. Wahab:
Department of Mathematics, Hazara University, Mansehra, Pakistan