/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: drredaabdelfattah https://cdn.slidesharecdn.com/profile-photo-drredaabdelfattah-48x48.jpg?cb=1523504298 Mansoura University: B.Sc.; M.Sc., Ph.D. Applied Geophysics.