TY  - BOOK
AU  - Johnson David
TI  -  Quantitative business analysis 
SN  - 0406503818
U1  - 658.403 JOH 
PY  - 1986///
CY  -  London : 
PB  - Butterworths, 
KW  - Quantitative methods
KW  - Business firms Management
N1  - Includes index
ER  -