Basic economics /
Gregory, Paul R.
Basic economics / Paul R. Gregory, Roy J. Ruffin ; software prepared by Mark Doyle. - Glenview, Ill. : Harper Collins Publishers, c1989. - xxx, 746 p. : ill. (some col.) ; 29 cm.
Includes indexes.
0673380416 : $36.95
88039261
Economics.
HB171.5 / .G824 1989
330
Basic economics / Paul R. Gregory, Roy J. Ruffin ; software prepared by Mark Doyle. - Glenview, Ill. : Harper Collins Publishers, c1989. - xxx, 746 p. : ill. (some col.) ; 29 cm.
Includes indexes.
0673380416 : $36.95
88039261
Economics.
HB171.5 / .G824 1989
330