TY  - JOUR
TI  - Educational technology research and development: ET R & D
CY  - Wien [u.a.]
PB  - Springer
PY  - 1989
N1  - Automatically generated record. (Updated: 2025-01-06)
KW  - Communication (ASJC)
KW  - Education (ASJC)
UR  - https://juser.fz-juelich.de/record/81970
ER  -