TY  - BOOK
AU  - Case, Karl E.
AU  - Fair, Ray C. ; Oster,  Sharon M.
TI  - Principles of economics Bolume 1 : microeconmics
SN  - 978-981-06-8929-2
U1  - C 338.5 C26p 
CY  - Sinagpore 
KW  - Economics
KW  - Microecomics
ER  -