TY  - BOOK
AU  - Case, Karl E. 
AU  -  Fair, Ray C.
AU  - Oster, Sharon M.
TI  - Principles of economics
SN  - 9780134078779
U1  - 330 
PY  - 2017///
CY  - Boston 
PB  -  Pearson
KW  - Economics
KW  - Microeconomics
ER  -