TY  - BOOK
ED  - India. National Sample Survey
TI  - NSS19th round :July 1964-June1965: Technical paper on sample design
U1  - 311.2 23rd ed.
PY  - 1968///
CY  - New Delhi
PB  - NSS
KW  - SOCIAL SCIENCE, SAMPLING STATISTICS
N1  - Number 137
ER  -