1. Department of Mathematics Alagappa University Karaikudi 630 004 India
2. Ramanujan Centre for Higher Mathematics Alagappa University Karaikudi 630 004 India
3. Department of Mathematics Cankaya University Ankara 06530 Turkey
4. Institute of Space Sciences Magurele Bucharest Romania
5. Lebanese American University Beirut Lebanon
6. Biomathematics Research Group, Department of Mathematics Universitas Negeri Gorontalo Bone Bolango 96119 Indonesia
7. Department of Mathematics and General Sciences Prince Sultan University Riyadh 12435 Saudi Arabia
8. Department of Industrial Engineering OSTİM Technical University Ankara 06374 Turkey
9. Department of Automation and Applied Informatics Aurel Vlacieu University of Arad Arad Romania