Arif, S., Gunawan, B.A., Ghiffari, M., Arif, J., Saputra, A.A. and Hasim, W. 2026. Microstructural Characterization of AISI 1045 Steel after Quenching with Various Cooling Media. Engineering Science Letter. 5, 03 (Oct. 2026), 262–269. DOI:https://doi.org/10.56741/IISTR.esl.002584.