Arif, Yunifa, 		Faisal, Muhammad, 		Kurniawan, Fachrul, AND 		Misbahudin, Achmad.
" Implementation Of Ultrasonic Sensor And Fuzzy Logic On Safety And Control Drone System (QUADCOPTER)" <em>Proceedings of the International Conference on Green Technology</em> [Online], Volume 8 Number 1 (1 November 2017)