TY  - BOOK
AU  - Case, Karl E.
AU  - Fair, Ray C.,
AU  - Oster, Sharon M.,
TI  - Principles of economics : horizon edition
SN  - 9780273779889
PY  - 2013///
KW  - Economics
KW  - Study and teaching
KW  - sears
N1  - Includes index
ER  -