M. . Bekhti, N. . Achir, K. . Boussetta, and M. . Abdennebi, “Drone Package Delivery: A Heuristic approach for UAVs path planning and tracking”, EAI Endorsed Trans IoT, vol. 3, no. 9, p. e1, Jan. 2017, doi: 10.4108/eai.31-8-2017.153048.