TY  - BOOK
ED  - India. National Sample Survey Office
TI  - NSS 21st round: July 1966-June 1967
U1  - 311.2 21st
PY  - 1971///
CY  - Delhi
PB  - Manager of Publications
KW  - Sampling (Statistics); Surveys; Estimation theory; Labor economics-India
N1  - Contents: no. 181 Tables with notes on urban labour force
ER  -