TY  - BOOK
AU  - McConnell,Campbell R.
AU  - Brue,Stanley L.
TI  - Economics : principles, problems and policies / 
SN  - 0071008144
U1  - 330 
PY  - 1990///
CY  - New York : 
PB  - McGraw-Hill , 
KW  - ECONOMICS
N1  - NULL
ER  -