1. Information Engineering College, Hebei University of Architecture, Zhangjiakou 075000, China
2. Department of Mathematics, Institute of Numerical Sciences, Gomal University, Dera Ismail Khan 29050, Pakistan
3. Department of Mathematics, Khon Kaen University, Khon Kaen 40002, Thailand
4. Department of Mathematics and Statistics, Hazara University, Mansehra, Pakistan