TY - BOOK AU - Mialaret,Gaston TI - The psychology of the use of audio-visual aids in primary education T2 - Monographs on education U1 - 372.133 20 PY - 1966/// CY - London, Toronto [etc.], Paris PB - Harrap, Unesco KW - Perceptual learning KW - Education, Primary KW - Audio-visual aids N1 - Bibliography: p. [212]-225 ER -