1. Department of Mathematics, Jahangirnagar University, Dhaka, Bangladesh
2. Department of Applied Mathematics, Gono Bishwabidyalay, Savar, Bangladesh
3. Department of Mathematics, Jagannath University, Dhaka, Bangladesh
4. Victoria State Government, Melbourne, Australia
5. School of Computing, Engineering and Mathematical Sciences, La Trobe University, Melbourne, Australia
6. Department of Mathematics and Physics, North South University, Dhaka, Bangladesh
7. Center for Applied and Computational Sciences (CACS), North South University, Dhaka, Bangladesh