TY  - GEN
AU  - Bingham, Robert C.
AU  - Pope, W. H. (William Henry),
TI  - Economic concepts: a programmed approach 
SN  - 0070449635
AV  - HB171.5 .B56 1987
PY  - 1987///
CY  - New York
PB  - McGraw-Hill Publishing
KW  - Economics
KW  - Programmed instruction
ER  -