S. Surtani, A. .-. Ahyuni, H. Nur, A. Tahsya, and D. R. E. Prisma, “Landslide Susceptibility Mapping Using Frequency Ratio-Based Fuzzy Logic Approach in Lima Puluh Kota Regency”, Sjdgge, vol. 8, no. 2, pp. 31–40, Jan. 2025.