“Continuous Monitoring of the Horizontal Movements at Mokattam Using GPS”, Civil Engineering Research Magazine CERM, Faculty of Engineering, Al-Azhar University, Cairo, Egypt, Vol 23, No. 2, pp.396 – 410. “Accuracy, Time and Cost of Different Leveling Types”, Engineering Research Journal, Helwan University, Faculty of Engineering, Mataria, Cairo, Egypt, Vol 79, pp. 55 – 67, February . ACCURACY ASSESSMENT OF DEMGENERATION USING HIGHRESOLUTION STEREO-OPTICAL SATELLITE IMAGERY Assessment of Spread Range of Urban Development in the West Delta by Utilizing High Resolution Satellite Images Development of Soft Computational Simulator for Traversing Integration of soft computational simulator and strapdown inertial navigation system for aerial surveying project planning Semi-automatic general approach to achieve the practical number of clusters for classification of remote sensing MS satellite images Evaluation of Mapping Accuracy of High-Resolution Stereoscopic Satellite Images