TY  - BOOK
AU  - Ruffin,Roy
AU  - Gregory,Paul R.
TI  - Principles of microeconomics
SN  - 0673158578
AV  - HB171.5 .R82 1983
U1  - 330�19 
PY  - 1983///
CY  - Glenview, Ill.
PB  - Scott, Foresman
KW  - Economics
KW  - Microeconomics
ER  -