TY  - BOOK
AU  - Stillwell, J.A.
AU  - Lipsey, Richard G.
TI  - A workbook to accompany: an introduction to positive economics 
SN  - 297171135
AV  - HB 171 .L715 1966 
PY  - 1967///
CY  - London
PB  - Weidenfeld and Nicolson
ER  -