TY  - BOOK
AU  - Welch, Geery F.
AU  - Welch, Patrick J.
TI  - Economics: theory & practice 
SN  - 9780470450093
U1  - 330 
PY  - 2010///
CY  - Hoboken,USA
PB  - John Wiley & Sons Inc.
KW  - Business economics
ER  -