WHO  <br/><br/>
The International Pharmacopoeia: General Methods of Analysis, Vol-1 Quality Specifications 

 - 3rd 
 - New Delhi   CBS Publishers and Distributors  1991 
 - 223 p. 
 - The International Pharmacopoeia: General Methods of Analysis, Vol-1 Quality Specifications .
<br/><br/><label>ISBN: </label>9788123912479