000 00334nam a2200133Ia 4500
005 20250327090433.0
008 250301s2007 xx 000 0 eng d
020 _a8170631343
100 _aDR.S.K.MANGAL,DR.UMA MANGAL
245 0 _aAUDIO VISUAL EDUCATION
260 _bARYA BOOK DEPOT,NEW DELHI
_c2007
300 _a274
942 _2ddc
_cBED
999 _c62
_d62