000 00523nam a22001817a 4500
008 181210b xxu||||| |||| 00| 0 eng d
020 _a9788120337237
041 _aLCC
_gLCC
_hKeNaAAPAM
050 _aLB1028.3.M36 2011
100 _aMangal, S.K
_91343
245 _aEssentials of educational technology /
_cS K Mangal, Uma Mangal
260 _aNew Delhi :
_bPHI ,
_c2011.
300 _axxiv, 812 p.
521 _aIncludes index
650 _aEducational technology
_91344
700 _aMangal, Uma
_91345
942 _2lcc
_cBKS
999 _c212
_d212