000 00371nam a22001457a 4500
008 200104b xxu||||| |||| 00| 0 eng d
020 _a9788183771597
050 _a371.33 SHA
100 _aSharma K. K
_910082
245 _aEducational Technology
260 _aNew Delhi
_bMahaveer & Sons
300 _a260p
600 _2 Education
_a Education
_968
942 _2ddc
_cBK
999 _c26269
_d26269