Audiovisual materials;
Wittich, Walter A. 1910-
Audiovisual materials; their nature and use Walter Arno Wittich, Charles Francis Schuller. - 4th ed. - New York, Harper & Row 1967 - xvi, 554 p. illus. part col. 27 cm. - Exploration series in education .
67013282
Audio-visual education.
371.33
Audiovisual materials; their nature and use Walter Arno Wittich, Charles Francis Schuller. - 4th ed. - New York, Harper & Row 1967 - xvi, 554 p. illus. part col. 27 cm. - Exploration series in education .
67013282
Audio-visual education.
371.33