“ANALISA KEKERASAN TUBE (ASTM A213 Grade T12) PADA TUBE SUPERHEATER BOILER HHP-II”. Jurnal Rekayasa Mesin dan Inovasi Teknologi 1, no. 1 (February 10, 2020): 6–9. Accessed June 4, 2026. https://jurnal.ftm.uniba-bpn.ac.id/index.php/REMIT/article/view/8.