University of Calcutta2026-09-032026-09-032025https://drive.google.com/file/d/1maaUT6RYHYENyhzFNK78bcimb1SDMPp9/view?usp=drive_linkhttp://ssm.ndl.gov.in/handle/123456789/1983Physical GeographyGEOGRAPHY -MDC || MN-1MN-1Other