000 00448nam a22001817a 4500
999 _c1773
_d1773
003 OSt
005 20220129134814.0
008 130508b xxu||||| |||| 00| 0 eng d
020 _a8126903228
040 _cIK
082 _a370.024 6 SHA
100 _aSharma, Ram Nath
_934
245 _aAdvanced Educational Technology
260 _aNew Delhi
_bAtlantic Pub.
_c2003
300 _a280p
650 _aEducational Technology
_970
942 _2ddc
_cRBS