Mahajan B. K. , <br/><br/>
Methods in Biostatics   Textual Documents 

 - 7th ed. . 
 -  Jaypee Brothers Med. Pub.  2010 
 - 343. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Dewey Class. No.: </label>614  / MAH