TY - BOOK TI - Progressive changes haemochemical factors of clarias batrachus (Linnaeus, 1758) in response to organophosphours insecticide (Chlorpyrifos-20EC) used in agriculture U1 - 668.651 PY - 2006/// CY - Dhaka PB - University of Dhaka, KW - Insecticides N1 - Thesis (MS )--Department of Zoology, University of Dhaka, Session : 2003-2004; Includes bibliographical references ER -