TY  - GEN
AU  - Case, Karl E. 
AU  - Fair, Ray C
AU  - Oster, Sharon E
TI  - Principles of economics 
SN  - 9789352863433
U1  - 330 23
PY  - 2017///
CY  - New Delhi
PB  - Pearson
KW  - Economics
ER  -