TY  - BOOK
ED  - India. National Sample Survey Office
TI  - NSS 21st round: July 1966-June 1967 instruction to the field workers
U1  - 311.2 21st
PY  - 1967///
CY  - Delhi
PB  - Manager of Publication
KW  - Sampling (Statistics); Surveys; Labour laws and legislation-India; Houshold surveys-India
N1  - Contents: v.1 Design, concept, definitions and procedures
ER  -