Des Raj <br/><br/>
Sample survey theory. 
Des Raj; Chandhok Promod 
 - New Delhi  Narosa Publishing House      1998 
 - xviii,380p  cm. 
<br/><br/><label>Standard No.: </label>105136 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B2817, N8