Fanila, Hesty, and Marhadi Sastra. “Rancang Bangun Alat Pengupas Kulit Singkong Dengan Prinsip Mesin Bubut”. JURNAL UNITEK 11, no. 2 (August 11, 2020): 99–108. Accessed November 25, 2024. https://ejurnal.sttdumai.ac.id/index.php/unitek/article/view/33.