AKBAR, Muhammad Rizki; PUTRI, Fenoria; HIDAYATI, Baiti. THE EFFECT OF QUENCHING WITH VARIOUS COOLING MEDIA ON THE HARDNESS OF LEAD SCREW PIN IN A LATHE MACHINE. Algebra : Jurnal Pendidikan, Sosial dan Sains, [S. l.], v. 6, n. 1, p. 177–183, 2026. DOI: 10.58432/k70yeh39. Disponível em: https://algebra.yana.or.id/index.php/ejournal/article/view/179. Acesso em: 15 jun. 2026.