Youngken, Heber Wilkinson <br/><br/>
Natural drugs  Morphologic and taxonomic consideration / 

 - 2nd ed. 
 - Delhi :  Biotech books ,  2003. 
 - xiii+700 
<br/><br/><label>ISBN: </label>8176220906 
<br/><br/><label>Subjects--Index Terms: </label>Medicinal Plants