“COMPARATIVE ANALYSIS BETWEEN GPS-BASED FIELD DIGITAL TERRAIN MODEL WITH TANDEM- X 90M, ASTER AND SRTM DIGITAL ELEVATION MODELS”. Journal of Surveying, Construction and Property 14, no. 2 (December 27, 2023): 13–25. Accessed October 6, 2026. https://ajba.um.edu.my/index.php/JSCP/article/view/45184.