TY  - BOOK
AU  - Thirkettle,G L
TI  - Wheldon's business statistics and statistical method
SN  - 712102124
U1  - 519 
PY  - 1968///
CY  - London
PB  - Macdonald and Evans
KW  - Business - statistics
KW  - Sampling (statistics)
KW  - Statistical method
ER  -