TY  - BOOK
AU  - Reynolds, Lloyd G.
AU  -  Michas, Nicholas A.
TI  - Programmed learning aid for principles of economics: : micro 
AV  - HB171.5 .R49 1971
PY  - 1971///
CY  - United State
PB  - Irwin
KW  - Ecomomics
ER  -