TY  - BOOK
AU  - Ruffin,Roy J.
AU  - Gregory,Paul R.
TI  - Principles of economics
SN  - 0673460207
AV  - HB171.5 .R82
PY  - 1990///
CY  - Glenview, Illinos
PB  - Scott, Foresman
KW  - Economics
N1  - Notes on subject Index
ER  -