Satrio Herbirowo, et al. “OPTIMIZATION OF MECHANICAL STRENGTH AND MICROSTRUCTURE ON AUSTEMPERING ZINC HEAT TREATMENT IN LATERITIC NICKEL STEELS”. Jurnal Sains Materi Indonesia, vol. 20, no. 4, July 2019, pp. 144-8, doi:10.17146/jsmi.2019.20.4.4660.