TY  - BOOK
AU  - Casley,D.J.
AU  - Lury,D.A.
TI  - Data collection in developing countries
SN  - 019877124X
U1  - 309.0723 
PY  - 1982///
CY  - Mumbai
PB  - Oxford University Press
KW  - Sampling (Statistics)
KW  - Developing countries
KW  - Statistical services
ER  -