TY  - BOOK
AU  - Lysaught,Jerome P.
AU  - Williams,Clarence M.
TI  - A guide to programmed instruction
AV  - LB1028.5 .L9
U1  - 371.3944 
PY  - 1963///]
CY  - New York
PB  - Wiley
KW  - Programmed instruction
ER  -