000 00299nam a22001337a 4500
003 OSt
005 20230918115618.0
008 230918b |||||||| |||| 00| 0 eng d
040 _cDDC
100 _aVanaja, M.
245 _aEducational technology
_h(English)
300 _a250p.
942 _2ddc
_cBOOK
999 _c11968
_d11968