India, Ministry of Planning. N <br/><br/>
National Sample Survey Organisation: Socio-Economic Survey:Instructions To Field Staff Vol.I :Design,Concepts,Definations And Procedures 

 -  Govt. Of India  1977 
 - 111p 
 - National Sample Survey .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>339.49540723/NSS.1