List of Articles مدل نسبت فراوانی Open Access Article Abstract Page Full-Text 1 - Groundwater resource potential of Azna-Aligoudarz plain using environmental variables and frequency ratio (FR) model Samira Ghorbani Nejad Mania Daneshfar Omid Rahmati Fateme Fallah Ali Haghizade Naser Tahmasebipour Open Access Article Abstract Page Full-Text 2 - Landslide hazard zoning using frequency ratio, entropy methods and TOPSIS decision-making methods (Case study: Fahliyan basin, Fars) SEYED VAHID RAZAVI TERMEH Kourosh Shirani Open Access Article Abstract Page Full-Text 3 - Landslide hazard zonation using the Frequency ratio model and fuzzy logic (Case Study: Central Section of Jam Township) amir safari monireh Rayati Shavvazi maryam Jan Ahmadi laila Shirzad Malayeri