TY  - BOOK
AU  - Ruffin,Roy
AU  - Gregory,Paul R.
TI  - Principles of economics
SN  - 0673155080 :
AV  - HB171.5 .R82 1983
U1  - 338.5 19
PY  - 1983///
CY  - Glenview, Ill.
PB  - Scott, Foresman
KW  - Economics
N1  - Also issued in two separate volumes under titles: Principles of macroeconomics and Principles of microeconomics; Includes indexes; Bibliography: p. 759-767
ER  -