Putra, W.N., Ariati, M., Suharno, B. and Ramahdita, G. 2024. Optimization of Sodium Dodecylbenzene Sulfonate Surfactant and Dispersed Coconut-Shell Carbon Particles to the Thermal Conductivity of Heat Treatment Quenchant for S45C Medium Carbon Steel . Metallurgical and Materials Engineering. 30, 3 (Nov. 2024), 80–93. DOI:https://doi.org/10.56801/MME1084.