TY  - BOOK
AU  - Nellis,Joseph G
AU  - David Parker
TI  - Principles of business economics
SN  - 0273693069
AV  - HD30.22.N435 
PY  - 2006///
CY  - Harlow 
PB  - : Prentice Hall, 
KW  - Managerial economic
ER  -