TY  - BOOK
ED  - India. National Sample Survey Office
TI  - NSS
U1  - 311.2 21st
PY  - 1968///
CY  - Calcutta
PB  - ISI
KW  - Sampling (Statistics); Surveys; Population-Statistics
N1  - Population census as the source of sampling frame in India/M M Murthy
ER  -