1. Department of Mathematics, Faculty of Science, University of Gujrat, Mandi Bahauddin, Pakistan
2. Department of Mathematics, Division of Science and Technology, University of Education, Lahore, Pakistan
3. Faculty of Science, Department of Mathematics and Statistics, The University of Lahore, Sargodha, Pakistan
4. Department of Mathematics, College of Science and Humanities in Al-Kharj, Prince Sattam bin Abdulaziz University, Al-Kharj, Saudi Arabia
5. Department of Basic Engineering Science, Faculty of Engineering, Menoufia University, Shebin El-Kom, Egypt
6. Department of Engineering Mathematics and Physics, Faculty of Engineering, Zagazig University, Zagazig, Egypt