Putra, Wahyuaji Narottama, Myrna Ariati, Bambang Suharno, and Ghiska Ramahdita. 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):80-93. https://doi.org/10.56801/MME1084.