000 00283nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aKulshreshtha, S. P.
245 0 _aFoundations Of Educational Technology
260 _aMeerut
_bVinay Rakheja
_c2010
300 _a532p.
942 _cBK
999 _c12627
_d12627