000 00287nam a22001097a 4500
082 _a371.33505
_bAM.I
100 _aSampath, K
245 _aIntroduction to educational technology /
_cby K Sampath
260 _aNew Delhi:
_bSterling pub,
650 _aEducation
_vTechnology
942 _cBK
999 _c672549
_d672549