1. Xi’an Traffic Engineering Institute, Xi’an, Shaanxi 710300, China
2. Scientific Research Department, Xijing University, Xi’an, Shaanxi 710123, China
3. Department of Operations Research, Faculty of Graduate Studies for Statistical Research, Cairo University, Giza 12613, Egypt
4. Department of Mathematics, College of Science and Arts, Qassim University, Al-Badaya 51951, Saudi Arabia
5. Department of Applied Mathematics, Ayandegan Institute of Higher Education, Tonekabon, Iran