TY  - BOOK
AU  - CASE,E.Karl.
AU  - Ray ,C.Fair& Sharon,M.Oster.
TI  - Principals of Economics
SN  - 9780137141456
U1  - 330 CAS 22
PY  - 2009///
CY  - New Jersey
PB  - Prentice-Hall
ER  -