000 00689nam a2200229Ia 4500
005 20250508153121.0
008 008 250505s9999 xx 000 0 eng d
037 _aTextBook
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a371.33, WIT
_qFEDL
100 _aWittich Walter Arno
_9760591
245 0 _aAudio-visual materials: Their nature and use
250 _a3rd
260 _aNew York, USA
_bHarper and Brothers
_c1962
300 _axxvi,500p
490 _aExploration series in education
650 _aTeaching aids materials
_9758174
700 _a Schuller Charles Francis
_9763194
942 _cTB
_h371.33, WIT
999 _c1340790
_d1340790