Studies of the acute toxicity of cypermethrin (10 Ec) to koifish, anabas testudineus (Bloch, 1792), fingerlings / [MS Thesis] Fishes culture 639.37483 STU Thesis (M. Sc.) -- Department of Zoology, University of Dhaka, 2006-2007 Includes bibliographical references Dhaka : University of Dhaka, 2009. 2009. 2009 Text x, 101p. : eng