People's vulnerability, risk and coping strategies in regard to natural disaster : a study in Sathkhira district / Mst. Rumana Yasmin [Thesis M.Phil.] Yasmin, Mst. Rumana Natural disasters 363.34 YAP Thesis (M.Phil.)--Department of Sociology, University of Dhaka, Session: 2011-2012 Includes bibliographical references Dhaka : University of Dhaka, 2017 2017 2017 Text [11], 179 p. : eng