TY  - BOOK
AU  - Bingham,Robert C.
TI  - Economic concepts: a programmed approach 
SN  - 070052921
U1  - 330.07'7 
PY  - 1972///
CY  - New York
PB  - McGraw-Hill
KW  - Economics
N1  - "Program and study guide to accompany McConnell economics, 5th edition"
N2  - This programmed book is neither a textbook nor a workbook. It is based on a question-and-answer method
ER  -