TY  - BOOK
AU  - Casley, D.J
AU  - Lury, D.A 
TI  - Data collection is developing countries
SN  - 0198771231
U1  - 309.0723 
PY  - 1981///
CY  - London
PB  - Clarendon Press
KW  - Sampling
KW  - statistics
KW  - Undeveloped areas
KW  - Social services
N1  - Includes index
ER  -