1. Department of Mathematics, Bursa Uludag University, Gorukle 16059, Turkey
2. Department of Mathematics, Khwaja Fareed University of Engineering & Information Technology, Rahim Yar Khan, Punjab 64200, Pakistan
3. Deportment of Mathematics and Statistics, Institute of Southern Punjab, Multan, Pakistan
4. Department of Mathematics, Jahangirnagar University, Savar, Dhaka, Bangladesh