TY  - BOOK
ED  - India. National Sample Survey Organization
TI  - Technical paper on sample design of working class and middle class family living survey: 1958-59
U1  - 000SC:300(54) 
PY  - 1961///
CY  - New Delhi
PB  - NSS.
KW  - Middle class
KW  - Sample design
KW  - Working class
ER  -