TY  - BOOK
AU  - Primack, Martin L.
AU  - Willis, James.
TI  - A programmed text in microeconomics
SN  - 0876266863
U1  - 330.1 
PY  - 1977///
CY  - Cambridge
PB  - Winthrop Publishers
KW  - Microeconomics
KW  - Programmed instruction
ER  -