SAMPATH,S <br/><br/>
Sampling theory and methods 

 - 2nd Edi 
 - New Delhi  Narosa Pub House  2005 
 - XII, 200 p 
<br/><br/><label>ISBN: </label>81-7319-625-7 
<br/><br/><label>Dewey Class. No.: </label>519.52