Setijo Budi, S., Hendrawan, A. B. ., Akhmadi, A. N. ., & Nashrudin, H. . (2025). Analysis of the Characteristics of AISI 8620 Camshaft Material and Grey Cast Iron Using Metallographic and Optical Spectrometry Methods. IRA Jurnal Teknik Mesin Dan Aplikasinya (IRAJTMA), 4(2), 1–4. https://doi.org/10.56862/irajtma.v4i2.261