Saad, Abdallah A., Mona S. Elsayed, and Shimaa F. Abdelfatah. “Towards a Unified Vertical Datum in Arab Region”. IJRDO - Journal of Mechanical And Civil Engineering 3, no. 9 (September 30, 2017): 01-37. Accessed December 29, 2024. http://cpcalendars.ijrdo.org/index.php/mce/article/view/1457.