Kelik, Vinantius, Hengky Hengky, and Daniel Kurniawan. “PERANCANGAN MESIN PENGUPAS DAN PEMISAH KULIT BUAH KOPI KERING”. Jurnal Teknik Mesin (Journal Of Mechanical Engineering) 5, no. 2 (June 3, 2016): 64–70. Accessed June 3, 2026. https://publikasi.mercubuana.ac.id/index.php/jtm/article/view/711.