1. Department of Mathematics, Capital University of Science and Technology (CUST), Islamabad, Pakistan
2. Department of Mathematics, Lahore College for Women University, Lahore, Pakistan
3. Department of Mathematics, Air University, Islamabad, Pakistan
4. Department of Electrical Engineering, College of Engineering, Princess Nourah bint Abdulrahman University, Saudi Arabia
5. Engineering Mathematics and Physics Department, Faculty of Engineering and Technology, Future University in Egypt, New Cairo, Egypt
6. Electrical Engineering, Faculty of Engineering and Technology, Future University in Egypt, New Cairo, Egypt
7. Department of Mathematics, University of Gujarat, Gujarat, Pakistan