K. J. Akinluwade, A. L. Rominiyi, D. A. Isadare, A. R. Adetunji, and M. O. Adeoye. “Pack-Cyaniding: A Comparative Study of Low and High-Temperature Treatment”. Archives of Current Research International, vol. 12, no. 2, Feb. 2018, pp. 1–12, doi:10.9734/ACRI/2018/37198.