محمد ه. ., فايز ديب, and ندى محفوض. “Effect of Cut-Off Angles on Observational Accuracy in GPS Measurements”. Latakia University Journal -Engineering Sciences Series, vol. 45, no. 6, Jan. 2024, pp. 235-47, https://journal.tishreen.edu.sy/index.php/engscnc/article/view/16307.