TY  - BOOK
AU  - De Grazia,Alfred
AU  - Sohn,David A.
TI  - Programs, teachers, and machines
T2  - Bantam matrix editions
AV  - LB1028.5 .D36
U1  - 371.394 4 GRA S 
PY  - 1964///
CY  - New York
PB  - Bantam Books
KW  - Programmed instruction
N1  - "NM 1007."; Includes bibliographies; Introduction // Programed instruction : Background and setting // Programing theory // Research and development in programed instruction // Programed instruction for subject matter areas // The potential of programed instruction : Evaluation and use// References
ER  -