Sailon, S., Seprianto, D., & Andika, E. (2022). THE EFFECT OF CARBURIZING COW BONE CHARCOAL ON THE INCREASE IN HARDNESS OF EGREK PRODUCTS OF BLACKSMITH IN TANJUNG PINANG VILLAGE. AUSTENIT, 14(2), 69–74. https://doi.org/10.53893/austenit.v14i2.4922