TY  - BOOK
AU  - Case, Karl E.
AU  - Fair, Ray C,
AU  - Oster, Sharon M.
TI  - Principles of economics
SN  - 9780273789994
U1  -  330 
PY  - 2014///
CY  - Boston,USA
PB  - Pearson
KW  - Economics
ER  -