Deep Reinforcement Learning-Based Joint Trajectory Design and Resource Allocation for Secure and Energy-Efficient UAV Networks. - Abdulmalik Alwarafy; Suhib Bani Melhem; Rand Abou Chahine; Batool Said; Maitha Alharethi; Latifa Almazrouei; Sara Alblooshi (IEEE Open J. Commun. Soc., 2025)