TY  - BOOK
AU  - Hardisty,David
AU  - Windeatt,Scott
TI  - CALL
SN  - 0194371050
PY  - 1989///
CY  - Oxford
PB  - Oxford University Press
KW  - Programmed instruction
KW  - Individualized instruction
N1  - Bibliography : p. 164-165
ER  -