1. Department of Mathematics and Statistics, The University of Lahore, Lahore, Pakistan
2. Department of Computer Science and Mathematics, Lebanese American University, Beirut, Lebanon
3. Mathematics Research Center, Department of Mathematics, Near East University, Nicosia /Mersin, Turkey
4. School of Foundation Studies and Mathematics, OUC with Liverpool John Moores University (UK), Doha, Qatar
5. Department of Humanities Basic Science, Military College of Signals, NUST, Islamabad, Pakistan
6. Art and Science Faculty, Department of Mathematics, Siirt University, Siirt, Turkey
7. Department of Mathematics, Faculty of Science and Technology, University of Central Punjab, Lahore, Pakistan
8. Department of physical sciences, The University of Chenab, Gujrat