1. Department of Mathematical Engineering, Polytechnic University of Tirana, Tirana 1001, Albania
2. Department of Mathematics, ITER, Siksha O Anusandhan University, Bhubaneswar 751030, India
3. Department of Mathematics, College of Education, University of Sulaimani, Sulaymaniyah 46001, Iraq
4. Research and Development Center, University of Sulaimani, Sulaymaniyah 46001, Iraq
5. Department of Mathematics, Khalifa University, P.O. Box 127788, Abu Dhabi, United Arab Emirates
6. Department of Mathematics, Al-Hussein Bin Talal University, P.O. Box 20, Ma'an 71111, Jordan
7. Department of Mathematics, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia