Nitha,Y Bontong, R Syam, H.S.Asmal. “BEHAVIOR OF LOW CARBON STEEL MECHANICAL PROPERTIES DUE PACK CARBURIZING MEDIA CHARCOAL BUFFALO BONE”. International Journal of Research Science and Management, vol. 4, no. 12, Dec. 2017, pp. 38-47, https://ijrsm.com/index.php/journal-ijrsm/article/view/494.