1. Department of Mathematics Quaid‐I‐Azam University Islamabad Pakistan
2. Department of Mathematics Riphah International University Faisalabad Faisalabad Pakistan
3. Department of Mathematics Huzhou University Huzhou China
4. Hunan Provincial Key Laboratory of Mathematical Modeling and Analysis in Engineering Changsha University of Science and Technology Changsha China
5. Department of Mathematics and Computer Science Beirut Arab University Beirut Lebanon
6. Department of Mathematics, Institute of Arts and Sciences Government College University Faisalabad Faisalabad Pakistan