Kamal-aldeen N, Hussein Ali S. Using of GPS and Leveling Techniques for Determining the Orthometric Heights inside Mosul University. AREJ [Internet]. 2008 Jul. 1 [cited 2025 Sep. 27];16(3):132-4. Available from: https://jwups.uomosul.edu.iq/index.php/arej/article/view/31292