TY  - BOOK
AU  - Association for Educational Communications and Technology
TI  - Educational technology: definition and glossary of terms 
SN  - 0-89240-002-1
AV  - LB 1028.3 A767
PY  - 1977///
CY  - Washington, D.C.
PB  - The Association
KW  - Tecnología educativa
N1  - Incluye índice y glosario; Contenido: v.1. AECT task force on definition and terminology
ER  -