TY  - BOOK
AU  - Luskin, Bernard J.
AU  - Thresher, Thomas
TI  - Introduction to economics: a performance-based learning guide 
SN  - 072165813X
AV  - HB171.5 .L87
U1  - 330 
PY  - 1977///
CY  - Philadelphia
PB  - Saunders
KW  - Economics
ER  -