1. Amazon Staff (2022, December 06). Amazon Prime Air Prepares for Drone Deliveries. Available online: https://www.aboutamazon.com/news/transportation/amazon-prime-air-prepares-for-drone-deliveries.
2. Hawkins, A.J. (2022, December 06). Alphabet’s Wing Kicks off Drone Delivery Service in Dallas on April 7th. Available online: https://www.theverge.com/2022/4/4/23006894/alphabet-wing-drone-delivery-dallas-kick-off.
3. Guggina, D. (2022, December 06). We’re Bringing the Convenience of Drone Delivery to 4 Million U.S. Households in Partnership with DroneUp. Available online: https://corporate.walmart.com/newsroom/2022/05/24/were-bringing-the-convenience-of-drone-delivery-to-4-million-u-s-households-in-partnership-with-droneup.
4. The Future of the Last-Mile Ecosystem;Deloison;Tech. Rep.,2020
5. Bellan, R. (2022, December 06). Zipline’s Drones to Deliver Medicine in Salt Lake City Area. Available online: https://techcrunch.com/2022/10/04/ziplines-drones-to-deliver-medicine-in-salt-lake-city-area/.