TY  - BOOK
AU  - Tanzman,Jack
AU  - Dunn,Kenneth J
TI  - Using instructional media effectively
SN  - 0139396527
PY  - 1971///
CY  - Inc., New York
PB  - Paker Publishing Company
KW  - Audio
KW  - visual education
KW  - Teaching
KW  - Aids and devices
N1  - Bibliography: p. 204-205
ER  -