Gokula, G, and Minavathi Minavathi. “A Quadcopter at Your Service-108 With Secure Delivery of Medicine”. International Journal of Computer Sciences and Engineering 11, no. 12 (December 31, 2023): 9–15. Accessed February 1, 2026. https://ijcse.isroset.org/index.php/j/article/view/6528.