TY  - BOOK
AU  - Bingham,Robert C.
AU  - Walstad,William B.
TI  - Study guide to accompany McConnell and Brue: economics 
SN  - 0070455147
AV  - HB 171.5 B613s 1990
U1  - 330 
PY  - 1990///
CY  - New York
PB  - McGraw-Hill
KW  - Economics
KW  - Economía
ER  -