TY  - BOOK
AU  - Pevalin David
AU  -  Robson Karen
TI  - Stata survival manual
SN  - 9780335223886
U1  - X:(B28):(D6,9(B), P9 
PY  - 2009///
CY  - Berkshire
PB  - Open University Press        
KW  - Economics
N1  - Bibliography: P 259-61
ER  -