1. Department of Mathematics, College of Education, University of Sulaimani, Sulaymaniyah 46001, Iraq
2. Research and Development Center, University of Sulaimani, Sulaymaniyah 46001, Iraq
3. Department of Mathematics and Systems Engineering, Florida Institute of Technology, Melbourne, FL 32901, USA
4. Department of Energy and Process Engineering, Norwegian University of Science and Technology, N-7491 Trondheim, Norway
5. Department of Mathematics, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
6. Department of Mathematical Engineering, Polytechnic University of Tirana, 1001 Tirana, Albania
7. Department of Mathematics, College of Education, University of Zakho, Zakho 42002, Iraq