Audio-visual procedures in teaching /
Sands, Lester B
Audio-visual procedures in teaching / by Lester B Sands - New York : Ronald Press, 1956. - 670p. : illus.
Includes bibliographies.
Audio-visual education.
371.33 / SAN.A
Audio-visual procedures in teaching / by Lester B Sands - New York : Ronald Press, 1956. - 670p. : illus.
Includes bibliographies.
Audio-visual education.
371.33 / SAN.A
