1. Electronics and Communications Department, Faculty of Engineering, Tanta University, Tanta, Egypt
2. Training , Evaluating, and Updating Expert Systems, Central Laboratory for Agricultural Expert System Giza, Giza, Egypt
3. Department of Electronics and Electrical Communications, Faculty of Electronic Engineering, Menoufia University, Menouf, Egypt
4. Department of Computer Engineering, College of Computers and Information Technology, Taif University, Al-Hawiya , Kingdom of Saudi Arabia