TY  - BOOK
AU  - Parker, Jeffrey
AU  - Vahaly, John
TI  - Study guide to accompany Ruffin and Gregory  Principles of microeconomics
SN  - 0673465853
U1  - 338.5 
PY  - 1993///
CY  - New york
PB  - HarperCollins College Publishers
KW  - Microeconomics
ER  -