Singh, Ravindra <br/><br/>
Elements of survey sampling 

 - 1st 
 - Dordrecht  Kluwer Academic  1996 
 - xv,388p p. 
<br/><br/><label>ISBN: </label>0-7923-4045-0 
<br/><br/><label>Subjects--Index Terms: </label>Sampling