1. Department of Mathematics University of Management and Technology Lahore Pakistan
2. Department of Mathematics, Institute for Groundwater Studies (IGS) University of the Free State Bloemfontein South Africa
3. Department of Mathematics, Art and Science Faculty Siirt University Siirt Turkey
4. Department of Science & Humanities National University of Computer and Emerging Sciences Lahore Pakistan
5. Department of Mathematics Cankaya University Balgat Ankara Turkey
6. Department of Mathematics Institute of Space Sciences Magurele‐Bucharest Romania