NATIONAL SAMPLE SURVEY (NSS 68th Round) <br/><br/>
"Public distribution system and other sources of household consumption, 2011-12" 

 - New  "Delhi, Govt Press,     "  2015 
<br/><br/> Glossary: P 557-70 
<br/><br/><label>Standard No.: </label>203792 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"Sigma sn2, N50, Q5/GD"