TY  - BOOK
ED  - India. Cabinet Secretariat. Directorate of National Sample Survey
TI  - Annual report of the national sample survey for the year 1956-57
U1  - 354.54 21st
PY  - 1957///
CY  - Delhi
PB  - Cabinet Secretariat
KW  - Sampling (Statistics); Sampling-India
ER  -