TY  - BOOK
AU  - Smith,Hayden Richard,1915-
AU  - Nagel,Thomas S
TI  - Instructional media in the learning process
SN  - 0675091640
PY  - 1972///
CY  - Columbus
PB  - Charles E. Merrill Publishing Co.
KW  - Teaching
KW  - Aids and devices
KW  - Audio
KW  - visual education
N1  - Includes bibliographies
ER  -