TY  - BOOK
AU  - Casley, D.J.
AU  - Lury, D.A.
TI  - Data collection in developing countries
SN  - 0194424251
U1  - 309.0723 
PY  - 1987///
CY  - Oxford
PB  - English Language Book Society/ Claredon Press
KW  - Sampling (Statistics)
KW  - Social Surveys
N1  - Includes bibliographical references and index
ER  -