Pengaruh Variasi Pukulan terhadap Kekerasan Baja menggunakan Mesin Hammer Otomatis. Jurnal Serambi Engineering, [S. l.], v. 10, n. 2, 2025. Disponível em: https://jse.serambimekkah.id/index.php/jse/article/view/784. Acesso em: 21 mar. 2025.