1. College of Science, Inner Mongolia University of Technology, Hohhot 010051, People’s Republic of China
2. COMSATS University Islamabad, Park Rd., Islamabad Capital Territory 45550, Pakistan
3. Department of Mathematics, Faculty of Science and Humanities, Afif, Shaqra University, Shaqra, Saudi Arabia
4. Department of Mathematics, College of Sciences, King Khalid University, Abha 61413, Saudi Arabia