TY - BOOK AU - Ayton,Angela AU - Morgan,Margaret TI - Photographic slides in language teaching T2 - Practical language teaching SN - 0-04-371063-8 U1 - 428/.007/8 19 PY - 1981/// CY - London, Boston PB - Allen & Unwin KW - English language KW - Study and teaching KW - Foreign students KW - Audio-visual aids KW - Slides (Photography) KW - Inglés KW - Estudio y enseñanza KW - Ayudas audiovisuales ER -