R. Shahrin, M., F. H. Hashim, W. M.D.W. Zaki, A. Hussain, and T. T. Raj. “3D Indoor Mapping System Using 2D LiDAR Sensor for Drones”. International Journal of Engineering and Technology 7, no. 4.11 (October 2, 2018): 179–183. Accessed May 15, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/20797.