Behavioural aspects of some selected butterflies : butterflies and the plant pollens/ Thesis (MS) Butterfly 595.789 BEH Thesis (MS)--Department of Zoology, University of Dhaka, Session: 2014-2015 Includes bibliographical references Dhaka : University of Dhaka, 2016. 2016. 2016 Text xiv, 110 p. : eng