TY  - BOOK
AU  - Ruffin,Roy J.
AU  - Gregory,Paul R.
TI  - Principles Of Microeconomics
SN  - 0-673-46584-5
U1  - 338.5RUP 
PY  - 1993///
CY  - New York
PB  - Harper Collins College Publishers
KW  - Economics
ER  -