000 00329nam a2200133Ia 4500
008 241124s9999 xx 000 0 und d
020 _a81-219-4027-3
100 _aMittal,L. N.; Gupta, Raman; Gupta Deepali
245 0 _aApplied Aspects of Educational Technology
260 _b-
260 _c0
300 _a127
942 _cBK
999 _c11671
_d11671