Devarajah,Francesca Ranjithamalar <br/><br/>
Studies on the Biology, Predatory effectiveness and distribution of Cyrtorhinus lividipennis Reuter,a predator of Nilaparvata lugens (stal) 

 - Jaffna:  1983 
 - ii,159p 
<br/><br/>Thesis 
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<br/><br/><label>Dewey Class. No.: </label>632.9  / DEV