Turangan, S., J. Rantung, and M. K. umboh. “PERANCANGAN ROBOT PENGIKUT GARIS BERBASIS MICROCONTROLLER”. Jurnal Poros Teknik Mesin UNSRAT, vol. 5, no. 2, Oct. 2016, https://ejournal.unsrat.ac.id/v3/index.php/poros/article/view/13790.