M.A.S.K. Ranasinghe <br/><br/>
Paddy pests in sri lanka 

 - Colombo<br/>  N.A.R.E.S.A.  1992 
 - 118p 
 - NARESA science education series. No.30 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>633.18  / RAN