Building an audio-visual program
Subtitle: by Robert E. Schreiber... and Leonard Calvert...
Contributors: Calvert, Leonard, joint author.
Publisher: Science research associates
Published: 1946
Place of publication: Chicago
Language: eng
Number of pages: 103
Subjects: Visual education.
Other titles: An audio-visual program.
Notes: "Supplementary reading": p. 97-103.