TY  - BOOK
AU  - Ruffin, Roy J.
AU  - Gregory, Paul R.
TI  - Principles of macroeconomics
SN  - 0-673-15856-x
U1  - 330 
PY  - 1983///
CY  - New Jersey
PB  - Scott foresman
KW  - Microeconomics
KW  - Economics
ER  -