Hasibuan, P., M. Chaerul, and S. Gusty. “Characteristics of Geological Conditions on Safety Factor (FK) of Open-Pit Slope and Landslide Mitigation at the Green Pit Location of Nickel Mining at PT. IFISHDECO Tb”. Ranah Research : Journal of Multidisciplinary Research and Development, Vol. 7, no. 3, Mar. 2025, pp. 1917-2, doi:10.38035/rrj.v7i3.1422.