Ruffin, Roy, 1938-
Principles of economics / Roy J. Ruffin, Paul R. Gregory. - 6th ed. - Reading, Mass. : Addison-Wesley Educational Publishers, 1996. - xxxi, 706 p. ; 26 cm. - Addison-Wesley series in economics . - Addison-Wesley series in economics .
Includes bibliographical references and index.
0673994880
Economics
Principles of economics / Roy J. Ruffin, Paul R. Gregory. - 6th ed. - Reading, Mass. : Addison-Wesley Educational Publishers, 1996. - xxxi, 706 p. ; 26 cm. - Addison-Wesley series in economics . - Addison-Wesley series in economics .
Includes bibliographical references and index.
0673994880
Economics
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