Maulana, Erizal, and Mohamad Nasrun. “Pengaruh Proses Hardening Dan Variasi Suhu Tempering Pada Kekerasan Dan Kuat Impact Baja SS 201”. Piston: Journal of Technical Engineering 3, no. 2 (October 5, 2020): 21–25. Accessed December 21, 2024. https://openjournal.unpam.ac.id/index.php/Piston/article/view/7224.