et.al, Muhammad Farhan Zolkepli. “Slope Mapping Using Unmanned Aerial Vehicle (UAV)”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 3 (April 28, 2021): 1781–1789. Accessed December 26, 2024. https://turcomat.org/index.php/turkbilmat/article/view/1005.