Apa, A., M. Muslimin, and N. E. Setijogiarto. “Rancang Bangun Mesin Pengulitan Kulit Kambing Dengan Electric Hoist PA 300”. Prosiding Seminar Nasional Teknik Mesin, vol. 12, no. 2, Apr. 2023, pp. 1957-65, https://prosiding.pnj.ac.id/sntm/article/view/538.