Mohd Zaidi, M. H. A. ., and K. N. . Tahar. “Evaluation On Different UAV’s Georeferencing Points to Generate Accurate Orthophoto and Digital Terrain Model”. Built Environment Journal, vol. 18, no. 2, July 2021, https://journal.uitm.edu.my/ojs/index.php/BEJ/article/view/8530.