000 00409nam a2200169Ia 4500
001 9304
003 IN-NITTTR
005 20251114233046.0
008 251113s9999||||xx |||||||||||||| ||eng||
040 _beng
040 _cIN-NITTTR
041 _aeng
082 _a371.333 C793S
100 _aCoppen, Helen
245 0 _aSurvey of British research in audio-visual aids. /
_cCoppen, Helen
942 _2ddc
_cBK
999 _c11941
_d11941