Principles of economics

Main Author: RUFFIN
Other Authors: Gregory,
Format: Book
Published: Massachusetts: Addison-Wesley, 1997.
Edition:6th ed..
Subjects:
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245 1 0 |a Principles of economics   |c Roy J. Ruffin, Paul R. Gregory. 
250 0 0 |a 6th ed.. 
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700 1 1 |a Gregory,   |h Paul R.