Alam, Md. Saiful <br/><br/>
Effectiveness of nuclear polyhedrosis virus on controlling heliccoverpa armigers as an eco-friendly biopesticide in Bangladesh / 
By Md. Saiful Alam ; 
 - Rajshahi :  Institute of Environmental Science, University of Rajshahi,   2011 
 - xx, 118 leaves :  ill, ;  29.cm. 
<br/><br/>Thesis (Ph. D.) -- Institute of Environmental Science, University of Rajshahi, 2011 
<br/><br/>References : Leaves 96 - 106 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant injuries--Bangladesh--Biological control
<br/><br/><label>Dewey Class. No.: </label>632.9605492  / ALE 2011