1. Department of Mathematics & Statistics, School of Applied Science & Humanities, Vignan’s Foundation for Science, Technology & Research, Vadlamudi, Guntur 522213, India
2. Faculty of Electrical Engineering, University of Banja Luka, Patre 5, 78000 Banja Luka, Bosnia and Herzegovina
3. Department of Mathematics and Sciences, Prince Sultan University, Riyadh 11586, Saudi Arabia