Chandrasena, J P N R <br/><br/>
An ilustrate manual of rice-fieldweeds In Sri Lanka 

 - Colombo :  Natural Resources, 
 - 185p.;  ill.;  28cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>632.58  / CHA