ANALISA PERBANDINGAN KOMPOSISI UNSUR Mg TERHADAP PEMBULATAN GRAFIT DAN KEKERASAN PRODUK PRESSURE PLATE . Journal Foundry, [S. l.], v. 5, n. 2, p. 38–45, 2022. Disponível em: https://e-journal.polmanceper.ac.id/index.php/foundry/article/view/47. Acesso em: 18 aug. 2026.