TY  - BOOK
AU  - Pelgrum , Willem J.
TI  - The Use of Computers in Education Worldwide :Results from the IEA Computers in Education Survey in 19 Educational Systems /Willem J. Pelgrum, Tjeerd Plomp
SN  - 008041382X
U1  - 371.334PEL 
PY  - 1991///
CY  - Oxford
PB  - Pergamon Press
KW  - EDUCATION-Data processing
ER  -