TY  - BOOK
AU  - Davies,J.R  .
AU  - Hughes,S  .
TI  - Managerial economics / 
T2  - The M and  E hand book series, 
SN  - 0712112782
U1  - 658.15 
PY  - 1979///
CY  - London : 
PB  - The English Language Book Society , 
KW  - FINANCE -MANAGEMENT
N1  - Includes appendix,index
ER  -