Principles of economics
Ruffin, Roy,
Principles of economics Roy Ruffin, Paul Gregory. - Glenview, Ill. : Scott,Foresman and Company, 1983. - xxxii, 798 pages : illustration; 27cm.
Includes index
0673155080
Economics
Principles of economics Roy Ruffin, Paul Gregory. - Glenview, Ill. : Scott,Foresman and Company, 1983. - xxxii, 798 pages : illustration; 27cm.
Includes index
0673155080
Economics
