TY  - BOOK
AU  - Hudson, Keith
TI  - Introducing CAL: a practical guide to writing computer-assisted learning programs
SN  - 0412262304
U1  - 371.334 21st ed.
PY  - 1984///
CY  - London
PB  - Chapman and Hall Publications
KW  - Computer-assisted instruction
N1  - Bibliography: p. 166-71 includes index
ER  -