Workbook for the seventh edition of An introduction to positive economics /
Lipsey, Richard G.,1928-
Forrest, David.
Olsen, Venke.
Lipsey, Richard G.,1928-Introduction to positive economics.7th ed.
London : Weidenfeld and Nicolson,
1989.
Spine title : Workbook for the seventh edition of Positive economics.
"Distributed by Oxford University Press." - sticker on inside cover.
Economics.