M. Nasution, Y. Yusmartato, L. Parinduri, A. Bakhori Nasution, and A. Hasibuan, “Fatique behavior of steel carbonizing on high humidity environment”, IJET, vol. 7, no. 2.9, pp. 86–89, Mar. 2018, doi: 10.14419/ijet.v7i2.9.13356.