Mialaret, Gaston The psychology of the use of audio-visual aids in primary education / Gaston Mialaret - London : George G. Harrap co., 1966 - 225 p. : diagrs. ; 23 cm. ISBN: USD 6.00 Subjects--Topical Terms: PerceptionAudio-visual educationEducation, Primary Dewey Class. No.: 372.078