000 00347nam a2200133Ia 4500
005 20260720174535.0
008 260720s2004 xx 000 0 und d
041 _aeng
082 _a371.333 SINI
100 _aSingh, Y K
_9267842
245 _aInstrumental technology in education
260 _aNew Delhi
_bA P H Publishing
_c2004
300 _a317p
999 _c241920
_d241920