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