Exploration of Bryophyte flora of Sylhet zone / Shirin Akhtar [MPhil Thesis] Akhtar, Shirin Bryopsida 588.2 AKE Thesis (M. Phil) -- Higher Cryptogams and Tissue Culture Laboretory, Dept. of Botany, University of Dhaka, Session : 2003-2004 Includes bibliographical references Dhaka : University of Dhaka, 2010. 2010. 2010 Text ix, 257 p. : eng