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

Détails bibliographiques
Auteur principal:	Gropper, George L.
Autres auteurs:	Glasgow, Zita
Format:	Livre
Langue:	English
Publié:	Englewood Cliffs, NJ Educational Technology c1971.
Sujets:	Visual aids. Audio-visual materials. Teaching > Aids and devices.