000 00529 a2200205 4500
999 _c74478
_d74478
003 OSt
005 20190716111750.0
010 _a9788120337237
040 _bENGLISH
082 _a371.3028
_bMAN-E
100 _a S.K. & Mangal and Mangal, Uma
_96084
245 _aEssentials of educational technology
_cby S K Mangal
260 _bPHI Learning
_aDelhi
_c2018
300 _axxii;812p.
365 _b550
_cRupees
650 _aEducation
_96085
650 _aPsychology
_92800
700 _aMangal,Uma
_96086
942 _2ddc
_cBK