TY  - BOOK
AU  - Casley, D J.
AU  - Lury, D A.
TI  - Data collection in developing countries
U1  - 338.9009172 
PY  - 1984///
CY  - Oxford
PB  - Clarendon Press
KW  - Sampling, Statistics
KW  - Economic data-Developing countries
ER  -