Yulianto, A., Soenoko, R. ., Suprapto, W. ., & Sonief, A. . (2021). EFFECT OF COOLING RATE ON MICROSTRUCTURE AND HARDNESS IN GRAY CAST IRON CASTING PROCESS. Acta Metallurgica Slovaca, 27(3), 127–132. https://doi.org/10.36547/ams.27.3.996