Vohra, D.S., P.K. Garg, and  S.K. Ghosh. “Usage of Uavs/ Drones Based on Their Categorisation: A Review”. Journal of Aerospace Sciences and Technologies 74, no. 2 (July 25, 2023): 90–101. Accessed October 18, 2024. http://joast.org/index.php/joast/article/view/27.