Singh, <br/><br/>
Theory and Analysis of Sample Survey Designs  Textual Documents 
Daroga Singh ,F.S Choudhary 
 - New Delhi  New Age International ( P ) Limited 
 - 380p:  22cm. 
<br/><br/><label>ISBN: </label>978-0-85226-910-7 
<br/><br/><label>Subjects--Index Terms: </label>Survey Design Dept-Stats 
<br/><br/><label>Dewey Class. No.: </label>311