TY  - BOOK
TI  - Research in instructional television and film
AV  - LB1044.7 R4.3
PY  - 1967///
CY  - Washington, D.C.
PB  - U.S. Department of Health, Education and Welfare
KW  - ENSEÑANZA -
KW  - MATERIALES AUXILIARES -
KW  - INVESTIGACION
KW  - TELEVISION EN LA EDUCACION -
ER  -