SUDIGDO, Destiano; SUGENG, Margono. Analisis Perbandingan Sifat Mekanik Pegas Daun Baja SUP9 dan SUP9A Melalui Uji Kekerasan dan Struktur Mikro. Jurnal Teknik Mesin, [S. l.], v. 18, n. 2, p. 165–170, 2025. DOI: 10.30630/jtm.18.2.1959. Disponível em: http://ejournal2.pnp.ac.id/index.php/jtm/article/view/1959. Acesso em: 22 aug. 2026.