Prabowohendhi, Santra, Ferida Yuamita, and Andung Jati Nugroho. “Robot Boat Design For Real-Time Monitoring Of River Water Quality”. International Journal of Engineering Technology and Natural Sciences 2, no. 2 (December 20, 2020): 56 - 58. Accessed November 29, 2021. https://journal.uty.ac.id/index.php/IJETS/article/view/94.