TY  - BOOK
AU  - Smith,Wendell Irving
AU  - Moore,John William
TI  - Programmed learning: Theory and research: An enduring problem in psychology 
T2  - Insight books / Van Nostrand
U1  - 371.3944 
PY  - 1962///]
CY  - Princeton, N.J.,
PB  - Van Nostrand
KW  - Programmed instruction
ER  -