TY  - BOOK
AU  - Fitzgerald, Hiram E. and 
AU  - Strommen, Ellen
AU  - Hermanson, Roger H.
TI  - Programmed learning aid for developmental psychology
SN  - 025601258x
PY  - 1972///
CY  - Homewood, Ill.
PB  - Learning systems
KW  - Developmental psychology
N1  - Includes Index
ER  -