TY  - BOOK
AU  - Stilwell, J. A. 
AU  - Lipsey, Richard G.
AU  - Clarke, Rosemary
TI  - Workbook to accompany the sixth edition of an introduction to positive economics
SN  - 0297782673
U1  - 330 
PY  - 1971///
CY  - London
PB  - Weidenfeld and Nicolson
KW  - Economics
ER  -