Darmo, Sujita, Rudy Soenoko, Eko Siswanto, and Teguh Dwi Widodo. 2019. “The Influence of the Pack Decarburizing Process With Pinctada Maxima Shell Powder Agent on the Properties of High Carbon Steel”. Eastern-European Journal of Enterprise Technologies 1 (12 (97):6-13. https://doi.org/10.15587/1729-4061.2019.153762.