Huma Ahmed Hassan, Syed Amer Mahmood, Saira Batool, Areeba Amer, Mareena Khurshid, Hina Yaqub, and Sajjad Ali Gill. “Generation of Digital Surface Model (DSM) Using UAV/Quadcopter”. International Journal of Innovations in Science & Technology 2, no. 3 (September 15, 2020): 89–107. Accessed July 28, 2026. https://journal.50sea.com/index.php/IJIST/article/view/29.