Dixit J.V. <br/><br/>
Principes and Practrice of Biostatistics    Textual Documents 

 - 5th ed. . 
 -  M/s Banaridas Bhanot Publishers  2011 
 - 247. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Dewey Class. No.: </label>614  / DIx