El-Shoubashy, HaniaHania El-Shoubashy lecturer in AASTMT, College of Management and Technology, Alexandria, Egypt.Hatem Abdelkader Head of Information systems Department-Faculty of Computers and Information- Menofia University -Egypt.Saleh Mesbah Elkaffas Associate Prof., Head of Remote Sensing and GIS Unit, College of Engineering, AAST-MT, Egypt.