A Technical Evaluation of Landslide Vulnerability Using Analytical Hierarchy Process ( AHP ) and the Frequency Ratio ( FR ) Methods for Chamoli Region of Uttarakhand, India - Singh, Shubham; Nayak, Nirlipta Priyadarshani; Aggarwal, Ashish; Verma, Harsh Kumar (Geological journal (Chichester, England), 2025)