1. Department of Basic Courses, Changji Vocational and Technical College, Changji, China
2. Department of Mathematics, City University of Science and Information Technology Peshawar, Peshawar, Pakistan
3. Department of Mathematics, HITEC University, Rawalpindi, Pakistan
4. Computer Engineering Department, College of Computer and Information Sciences, King Saud University, Riyadh, Saudi Arabia
5. Software Engineering Department, College of Computer and Information Sciences, King Saud University, Riyadh, Saudi Arabia