TY  - BOOK
AU  - Case, Karl E.
AU  - Fair,  Ray C.
AU  - Oster, Sharom M. 
TI  - Principles of economics 
SN  - 9789352863433
U1  - 330 
PY  - 2018/// (2021 6th impression)
CY  - Noida
PB  - Pearson Education
KW  - Economics
ER  -