TY  - BOOK
AU  - Stilwell,J .A
AU  - Lipsey,Richard G
AU  - Clarke,Rosemary
TI  - Workbook to Accompany : : An Introduction to Positive Economics / 
U1  - 330 
PY  - 1983///
CY  - London
PB  - ELBS
KW  - Economics
ER  -