TY  - BOOK
AU  - Collinge, Robert A.
AU  - Ayers, Ronald M.
TI  - Economics by design: survey & issues 
SN  - 0131400584
AV  - HB 171.5.C845 2003 
PY  - 2003///
CY  - New Jersey
PB  - Pearson
KW  - Economics
ER  -