Bandanadjaja, B., & Idamayanti, D. (2017). Pengaruh Proses Tempering Ganda Terhadap Sifat Mekanik Material Baja Cor Paduan Ni-Cr-Mo [The Influence of Double Tempering on Mechanical Properties of Ni-Cr-Mo Cast Steel Alloy]. Jurnal Metalurgi, 32(1), 29–36. https://doi.org/10.14203/metalurgi.v32i1.219