Eng L, Soon, Rozita Ismail, Wahidah Hashim, Rajina R. Mohamed, and Aslina Baharum. “Vegetation Monitoring Using UAV : A Preliminary Study”. International Journal of Engineering & Technology 7, no. 4.35 (November 30, 2018): 223–227. Accessed April 30, 2024. https://sciencepubco.com/index.php/ijet/article/view/22736.