TY  - BOOK
ED  - India. Indian Statistical Institute(Calcutta)
TI  - Annual survey of industries (1961)
U1  - 311.22 21st
PY  - 1962///
CY  - Calcutta
PB  - The Author
KW  - Sampling (Statistics); Industries-India; Industrial surveys-India
N1  - Contents: Pt.1. Concepts, definitions and procedures
ER  -