000 00356nam a22001457a 4500
999 _c12867
_d12867
005 20220120101252.0
008 220120b ||||| |||| 00| 0 eng d
020 _a9788120337237
100 _aMANGAL, S .K.
245 _aESSENTIALS OF EDUCATIONAL TECHNOLOGY
260 _aDELHI
_bPHI
_c2021
300 _a812 p.
650 _aEDUCATION
942 _2ddc
_cBK