1. Department of Mathematics, College of Education, University of Sulaimani, Sulaymaniyah, Iraq
2. Research and Development Center, University of Sulaimani, Sulaymaniyah, Iraq
3. Department of Mathematics and Statistics, University of Victoria, Victoria, Canada
4. Section of Mathematics, International Telematic University Uninettuno, Rome, Italy
5. Center for Converging Humanities, Kyung Hee University, Seoul, Republic of Korea
6. Department of Computer Science and Mathematics, Lebanese American University, Beirut, Lebanon
7. Institute of Space Science-Subsidiary of INFLPR, Magurele-Bucharest, Romania
8. Department of Mathematics, Khalifa University, Abu Dhabi, UAE
9. Department of Mathematics, Al-Hussein Bin Talal University, Ma’an, Jordan
10. Department of Mathematics, College of Education, University of Zakho, Zakho, Iraq
11. Department of Mathematics, College of Science, King Saud University, Riyadh, Saudi Arabia