TY  - GEN
AU  - Thirkettle, G. L.
TI  - Wheldon's business statistics and statistical methods
SN  - 0273026968
U1  - 519  
PY  - 1981///
CY  - London : 
PB  - Pitman
KW  - Statistics
N1  - Includes bibliographical references and index
ER  -