Raj, Des <br/><br/>
Sample survey theory. 
Des Raj and Promod Chandhok. 
 - hennai:  Narosa,   1988. 
 - ix, 346p. 
<br/><br/><label>Subjects--Index Terms: </label>Sample survey theory. 
<br/><br/><label>Universal Decimal Class. No.: </label>519.243  / RAJ