1. Department of Civil Engineering, College of Engineering, King Khalid University, Abha, Saudi Arabia
2. Department of Mathematics, College of Science, Qassim University, Buraydah, Saudi Arabia
3. Department of Operations and Management Research, Faculty of Graduate Studies for Statistical Research, Cairo University, Giza, Egypt
4. Department of Industrial Engineering, College of Engineering, King Khalid University, Abha, Saudi Arabia
5. Department of Mathematics, City University of Science and Information Technology, Peshawar, Pakistan
6. Department of Mathematics and Statistics, College of Science, King Faisal University, Al-Ahsa, Saudi Arabia