TY  - BOOK
ED  - Association for Educational Communications and Technology. Task Force on Definition and Terminology
TI  - Educational technology: a glossary of terms 
SN  - 0892400072
PY  - 1979///
CY  - Washington, D.C.
PB  - Association for Educational Communications and Technology
KW  - Educational technology
N1  - 'The first ten chapters ... were published previously as part B of Educational Technology : definition and glossary of terms ... 1977'
ER  -