Audio-vedio procedures in teaching /
371.33SAN
Sands, Lester B.
Audio-vedio procedures in teaching / by Lester B. Sands .- New York :The Ronald Press Company ,1956.
viii, 670p. ;ill.;22cm(Hb)
Note: Includes appendix, bibliographical references and index
ISBN: Rs. 00.00
Cen Lib/Ret /102179/ 102179 / 0.00 /sign