1. School of Mathematics Madurai Kamaraj University, Madurai, India
2. Faculty of Computer Science and Informatics, Amman Arab University, Amman, Jordan
3. Department of Computer Engineering, College of Computers and Information Technology, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
4. Department of Information Systems, College of Computer and Information Sciences, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
5. Mathematics Department, Education for Pure Sciences College, Tikrit University, Tikrit, Iraq