TY  - BOOK
AU  - Wittenbach, James L
TI  - Programmed learning aid for federal income tax
AV  - KF 6369.3 Wit 
PY  - 1980///
CY  - Homewood, Ill
PB  - Learning Systems
KW  - FEDERAL INCOME TAX--LAW AND LEGISLATION
KW  - LAW
ER  -