Yusri, Yusri, Nasirwan Nasirwan, and Zulfikar Zulfikar. “Tracker Sistem Pipa Tarik Pembuka Bearing Beralur (Snap Bearing)”. Jurnal Teknik Mesin 1, no. 1 (March 3, 2020): 1-5. Accessed April 10, 2025. http://ejournal2.pnp.ac.id/index.php/jtm/article/view/304.