NATIONAL SAMPLE SURVEY <br/><br/>
NATIONAL SAMPLE survey   NSS 
NATIONAL SAMPLE SURVEY 
 - New  "Delhi, Govt. Press,     "  2016 
 - 45p+various pagination  cm. 
 - Encyclopedia of Mathematics and Its Applications; 66  Report No. 570(70/18.2/1) .
<br/><br/> Bibliography: P 239-55 
<br/><br/><label>Standard No.: </label>204799 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"Sigma sn2, Q6/GD"