L. E. Widodo, E. Widijanto, I. Faadhilah, and W. Sunyoto, “Fuzzy-Based Prediction of Spatio-Temporal Distribution of Wet Muck in Block Cave Mine of PT Freeport Indonesia”, J. Eng. Technol. Sci., vol. 50, no. 2, pp. 291-313, Jun. 2018.