Reference,  <br/><br/>
Marangal:Nammuda Sasyangal 

 - Kozhikode  Poorna  2007 
 - 103p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>science--PGR-GANDHIAN STUDIES--Plants (Botany)Economics
<br/><br/><label>Dewey Class. No.: </label>580  / REE-M