Arnold, Roger A. Study guide to accompany Economics / [electronic resource] / Roger A. Arnold.. — St. Paul : : West Pub. Co.,, c1989.. — vi, 444 p. : : ill. ; 26 cm. ISBN: 0314524649 9780314524645 Subjects--Topical Terms: Microeconomics.Economics. LC Class. No.: HB172 / .A6752 1989 Dewey Class. No.: 330