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Introduction to economic science
Soule, George Henry, (1948)
An introduction to political economy
Ely, Richard Theodore, (1889)
Economics
Goodman, Kennard Everett, (1963)
Economics : principles, problems, and policies
McConnell, Campbell R., (1963)
Economics : principles, problems and policies
McConnell, Campbell R., (1969)
McConnell, Campbell R., (1975)