Gopakumar C S Krishnakumar K N Prasadravu G S L H V <br/><br/>
Kalavasthayum krishiyum/ 
by Gopakumar C S, Krishnakumar K N and Prasadravu G S L H V 
 - Thrissur:  Current Books,  2011. 
 - 233p. 
<br/><br/><label>ISBN: </label>9788122607260 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Environment
<br/><br/><label>Dewey Class. No.: </label>M 630  / GOP/K