1. Zain Ul Abadin Zafar:
Department of Mathematics, University of Engineering and Technology, KSK Campus,Lahore,Pakistan; Department of Mathematics, University of Engineering and Technology,Lahore,Pakistan
2. Kashif Rehan:
Faculty of Information Technology, University of Central Punjab,Lahore,Pakistan
3. M. Mushtaq:
Department of Mathematics, University of Engineering and Technology,Lahore,Pakistan
4. M. Rafiq:
Faculty of Engineering, University of Central Punjab,Lahore,Pakistan