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The Best of Economics
Kling, Arnold,
Essential Principles of Economics: A Hypermedia Approach
McCain, Roger A.,
A PEDestrian's GUIDE to the ECONOMY
Amos, Orley,
Altruism as a source of self-interested behavior
Schenk, Robert E., (1987)
On finding determinants of money-stock cycles
Schenk, Robert E., (1980)
A Theory of Vacant Urban Land
Schenk, Robert E., (1978)