Criteria for the selection and use of visuals in instruction a handbook

Bibliografske podrobnosti
Glavni avtor:	Gropper, George L.
Drugi avtorji:	Glasgow, Zita
Format:	Knjiga
Jezik:	English
Izdano:	Englewood Cliffs, NJ Educational Technology c1971.
Teme:	Visual aids. Audio-visual materials. Teaching > Aids and devices.