000 00498cam a2200205ua 4500
001 2083
005 20260515113438.0
008 110804n ii |||gr||||Z||||||eng
020 _a81-7457-052-7
040 _cMAIN
082 _a371.33
100 _aSharma, A. R.,
_eAuthor.
245 1 _aEducational technology
_cby A. R. Sharma
250 _a1st.
260 _aAgra:
_bVinod pustak mandir.
300 _a311p:
_c23cm.
653 _aEducation
653 _aEducational technology
942 _cBK
999 _c1950
_d1950