Gunasena, H.P.M. <br/><br/>
ක්ෂේත්‍ර බෝග නිෂ්පාදනය 
= Kshethra Boga Nishpadanaya 


 - Colombo:  Leck House Investment,  1974. 
 - xv,535p.;  ill.  21cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Field and plantation crops
<br/><br/><label>Dewey Class. No.: </label>633  / GUN