1. Department of Mathematics, Selvamm College of Technology, Namakkal - 637 003, India
2. Department of Mathematics, Kandaswami Kandar’s College P-Velur, Tamil Nadu-638 182, India
3. PG and Research Department of Mathematics, Government Arts College (Autonomous), India and Department of Mathematics, Annamalai University, Karur - 639 005, India
4. Industrial Mathematics Laboratory, Baikal School of BRICS, Irkutsk National Research Technical University, Irkutsk, 664074, Russia
5. Department of Applied Mathematics and Programming, South Ural State University, Lenin prospect 76, Chelyabinsk, 454080, Russia
6. Department of Business Administration, Selvamm Arts and Science College (Autonomous), Namakkal-637 003, India
7. Department of Mathematics, Dmi St John The Baptist University, Mangochi, Malawi
8. Department of Mathematics, School of Science, University of Phayao, Phayao 56000, Thailand