TY  - BOOK
AU  - Plomp,Tjeerd
AU  - Ely,Donald P.
ED  - Pergamon Press
TI  - International encyclopedia of educational technology ; edited Tjeerd Plomp, Donald P. Ely
SN  - 0080423078
U1  - 371.33 23
PY  - 1996///.
CY  - Oxford: 
PB  - Pergamon, 
KW  - Educational technology
KW  - Encyclopedias
N1  - Includes index
ER  -