?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Hardy&rft.aulast=Andriyansyach&rft.au=Andriyansyach%2C+Hardy&rft.date=2021&rft.degree=S1&rft.title=PENGARUH+CYROGENIC+TREATMENT+DENGAN+VARIASI+TEMPERATUR+TERHADAP+SIFAT+MEKANIK+DAN+STRUKTUR+MIKRO+PADA+HIGH+SPEED+STEEL+SKH+51&rft.inst=Fakultas+Teknik+Universitas+Sultan+Ageng+Tirtayasa