1. Department of Mathematics and Computer Science, University of Larbi Ben M’hidi, Oum El Bouaghi, Algeria
2. Department of Mathematics, Faculty of Applied Science, Taiz University, Taiz, Yemen
3. Department of Mechanical Engineering, University of Manitoba, Winnipeg, R3T 5V6, Canada
4. Department of Industrial Engineering, College of Engineering, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
5. Department of Mechanical Engineering, College of Engineering, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia