Kamal-aldeen N, Hussein Ali S. Using of GPS and Leveling Techniques for Determining the Orthometric Heights inside Mosul University. AREJ [Internet]. 2008 Jul. 28 [cited 2025 Aug. 7];16(3):132-4. Available from: https://ojs.uomosul.edu.iq/index.php/arej/article/view/27057