TY  - BOOK
AU  - Norrie D H
ED  - International Conferene on Computer Assisted Learning( 3rd : Hagen : 1990 )
ED  - International Conferene on Computer Assisted Learning 3rd
TI  - Computer assisted learning : proceedings
U1  - 6.31 
PY  - 1990///
CY  - N Y
PB  - Springer Verlag
KW  - Computer science
KW  - Learning theory
ER  -