Yunita, A., and Rosidi. “Analisis Grabbing Forces Dan Kebutuhan Hidrolik Pada Log Grapple Dengan Kapasitas 1.5 Ton”. Prosiding Seminar Nasional Teknik Mesin, vol. 12, no. 1, Dec. 2022, pp. 1276-82, https://prosiding.pnj.ac.id/sntm/article/view/181.