TY - JOUR AU - Baharvand, Siamak TI - Landslide Risk Zoning using Frequency Ratio Model (Case Study: Fathabad Rectangular Map Area, Lorestan Province) JO - Geotechnical Geology VL - 17 IS - 2 SP - 567 EP - 574 PY - 2021 DO - 10.30495/geotech.2021.688308 ER -