TY  - BOOK
AU  - Bingham, Robert C.
AU  - Pope,W.H.
TI  - Economic concepts :a programmed approach
SN  - 0070455910 
U1  - 330.7 23
PY  - 1993///
CY  - New York
PB  - McGraw-Hill
KW  - Economics
KW  - Programmed instruction
ER  -