Wallis, T E <br/><br/>
Practical pharmacognosy 4th ed 

 - 4th ed. 
 - PharmaMed Press  Hyderabad  2014 
 - ix,235 
<br/><br/>
<br/><br/><br/>E 
<br/><br/><label>Universal Decimal Class. No.: </label>615.321