Prasojo, I., P. Thanh Nguyen, O. tanane, and N. Shahu. “Design of Ultrasonic Sensor and Ultraviolet Sensor Implemented on a Fire Fighter Robot Using AT89S52”. Journal of Robotics and Control (JRC), vol. 1, no. 2, Jan. 2020, pp. 55-58, doi:10.18196/jrc.1212.