1. Institute of Mathematics and Computer Science, University of Sindh, Jamshoro, Pakistan
2. KCAET Khairpur Mirs, Sindh Agriculture University, Tandojam Sindh, Pakistan
3. Department of Earth Sciences and Petroleum, College of Science, Salahaddin University-Erbil, Erbil, Iraq
4. Department of Petroleum Engineering, College of Engineering, Knowledge university, Erbil, Iraq
5. Department of Mathematics, College of Science Al-Zulfi, Majmaah University, Al-Majmaah, Saudi Arabia
6. Department of Mathematics, COMSATS University Islamabad, Sahiwal, Pakistan