A. Melo <em>et al.</em>" A3P: Advanced Airspace Availability Protocol for Dynamic and Trusted Drone Operations in Smart Cities", in <em>Anais Estendidos do XXV Simpósio Brasileiro de Cibersegurança</em>, Foz do Iguaçu/PR, 2025, pp. 380-387, doi: <a href="https://doi.org/10.5753/sbseg_estendido.2025.12820">https://doi.org/10.5753/sbseg_estendido.2025.12820</a>.