Abdulsada, M. A. ., M. W. . Hussein, J. S. . Jahlool, and M. S. . Naghmash. “Design and Simulation of Air-Fuel Percentage Sensors in Drone Engine Controlling”. Trends in Sciences, vol. 19, no. 1, Jan. 2022, p. 1713, doi:10.48048/tis.2022.1713.