Raghavan G.V. <br/><br/>
Comprehensive medicinal plants Vol.6. plant monographs alphabetically ( plant starting with P,Q,R and S ) 

 - 1st 
 -  Studium Press LLC, Texas  2011 
<br/><br/><label>ISBN: </label>978-1-84593-581-8 
<br/><br/><label>Dewey Class. No.: </label>581.634RAG