Affiliation: | 1.Civil Engineering Department, College of Engineering, Najran University, Najran, Kingdom of Saudi Arabia ;2.2Geology Department, Faculty of Science, Al-Azhar University, (Assiut Branch), Assiut, Egypt ;3.Faculty of Geography and Geology, Institute of Geological Sciences, Jagiellonian University, Gronostajowa 3a, 30-387, Kraków, Poland ;4.Faculty of Science, University of the Fraser Valley, Abbotsford, BC, Canada ;5.Science and Engineering Mathematics Department, Faculty of Petroleum and Mining Engineering, Suez University, Cairo, Egypt ; |