TY  - BOOK
ED  - India. National Sample Survey Office
TI  - NSS
U1  - 311.2 21st
PY  - 1968///
CY  - Calcutta
PB  - The Author
KW  - Sampling (Statistics); Surveys; Diseases-India; Corporation reports-India
N1  - Technical paper no. 28 on some aspects of morbidity surveys in the Indian national sample survey R P Saha and A K De
ER  -