1. Drone Laws by Country, available online at: https://uavsystemsinternational.com/pages/drone-laws-by-country, accessed in April 2024.
2. Drone rules in 2023, available online at: https://www.dronelicense.eu/ro/blogs/popular/drone-rules-in-2023, accessed in April 2024.
3. Romania Drone Regulations, available online at: https://uavcoach.com/drone-laws-in-romania/, accessed in April 2024.
4. Tourists crash drones into Italy landmarks in Rome and Pisa, available online at: https://edition.cnn.com/travel/article/tourist-drone-incidents-rome-pisa/index.html, accessed in October 2023.
5. London helicopter ambulance reports near collision with drone, available online at: https://dronedj.com/2021/07/02/london-helicopter-ambulance-reports-near-collision-with-drone/, accessed in October 2023.