Studies in land degradation with special reference to desertification process in Bangladesh : a case study of North Bengal / Wahida Barnaly. [MS Thesis] Barnaly, Wahida Land 333.7153 BAS Thesis (M.S.) -- Dept. of Geography and Environment, University of Dhaka, session 2003-04. Includes Bibliographical references. Dhaka : University of Dhaka, 2008. 2008. 2008 Text xi, 212, 33 p. : eng