TY  - BOOK
AU  - India, Ministry of Planning. N
TI  - National Sample Survey Organisation: Socio-Economic Survey:Instructions To Field Staff Vol.I :Design,Concepts,Definations And Procedures
T2  - National Sample Survey
U1  - 339.49540723/NSS.1  
PY  - 1977///
CY  - 
PB  - Govt. Of India
ER  -