TY  - BOOK
AU  - Gregory, Paul R., Jt. Auth.
AU  - Ruffin, Roy J.
TI  - Principles of macroeconomics
SN  - 0673460215
U1  -  339 
PY  - 1990///
CY  - London,UK
PB  - Harper Colins
KW  - Macroeconomics
ER  -