TY  - BOOK
AU  - Perlick,Walter W.
AU  - Hermanson,Roger H.
TI  - Programmed learning aid for introduction to business
SN  - 0256023522
PY  - 1981///
CY  - Homewood, Ill.
PB  - Learning systems
KW  - Business
KW  - Programmed instruction
N1  - Cover title: Self review in introduction to business
ER  -