حويجه ر., and عمر الخليل. “Study of the Effect of the Number of Check Points on the Evaluation of the Vertical Accuracy of the Free Digital Elevation Model SRTM-1. Case Study: Latakia Governorate”. Tishreen University Journal -Engineering Sciences Series, vol. 45, no. 5, Dec. 2023, pp. 51-68, https://journal.tishreen.edu.sy/index.php/engscnc/article/view/16156.