TY  - BOOK
AU  - Markle,Susan Meyer
TI  - Good frames and bad: a grammar of frame writing
SN  - 0471570133
AV  - LB1028.5 .M312 1969
U1  - LB 1028.5.M312 1969 
PY  - 1969///
PB  - John Wiley & Sons, Inc., New York
KW  - Programmed instruction
N1  - Bibliography: p. 297-300
ER  -