Rahul Singh, Yuvansh, Amit Kumar, Dr. Pratima Manhas. “Review Paper on Drone Delivery: Unmanned Aerial Vehicle”. International Journal of Advanced Science and Technology 29, no. 04 (June 6, 2020): 6940 -. Accessed May 4, 2024. http://sersc.org/journals/index.php/IJAST/article/view/28094.