TY - BOOK TI - Evaluations of the effects of acute toxicity of chlorpyrifos 20EC in thai pangus, pangasius hypophthalmus fingerlings U1 - 363.7384 PY - 2007/// CY - Dhaka PB - University of Dhaka, KW - Pesticides KW - Environmental aspects N1 - Thesis (BS )--Department of Fisheries, University of Dhaka, Session : 2002-2003; Includes bibliographical references ER -