1. College of Landscape Architecture and Art, Northwest A & F University, Yangling, Shaanxi, China
2. Education Faculty, Farah Institute of Higher Education, Farah, Afghanistan
3. Computer Engineering Department, Intelligent Connectivity Research Laboratory, P.O. Box 89175-741, Yazd, Iran
4. Department of Mathematics, College of Science, University of Ha’il, Ha’il, Saudi Arabia
5. Department of Mathematics, Faculty of Science, Helwan University, Helwan, Egypt
6. Department of Mathematical and Natural Sciences, Faculty of Engineering, Egyptian Russian University, Badr City, Egypt