000 00693nam a2200217Ia 4500
005 20250508161151.0
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
260 _aNew York, USA
_bHarper and Brothers Publisher
_c1953
300 _axx,564p
490 _aExploration Series in Education
650 _aTeaching Aids; Audio -Visual Materials
_9770304
700 _a Schuller Charles Francis
_9770305
942 _cTB
_h371.33, WIT
999 _c1368711
_d1368711