Sustainable Task Offloading in UAV Networks via Multi-Agent Reinforcement Learning Alessio Sacco, Flavio Esposito, Guido Marchetto, Paolo Montuschi (2021) Sustainable Task Offloading in UAV Networks via Multi-Agent Reinforcement Learning, In: IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, pp. 5003-5015, ISSN: 0018-9545