ذنون شهاب الحمامي عاهـد. “Studying Topography Effects in Remotely Sensed Data on the Accuracy of GPS Reading”. Al-Adab Journal 1, no. 124 (September 15, 2018): 403–412. Accessed April 7, 2025. https://aladabj.uobaghdad.edu.iq/index.php/aladabjournal/article/view/99.