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

Detalles Bibliográficos
Autor Principal:	Gropper, George L.
Outros autores:	Glasgow, Zita
Formato:	Libro
Idioma:	English
Publicado:	Englewood Cliffs, NJ Educational Technology c1971.
Subjects:	Visual aids. Audio-visual materials. Teaching > Aids and devices.