000 | 00354nam a22001457a 4500 | ||
---|---|---|---|
003 | OSt | ||
005 | 20220803105131.0 | ||
008 | 220803b ||||| |||| 00| 0 eng d | ||
100 | _aMangal S . K . | ||
245 | _aEducational Technology | ||
260 |
_aLudhiana _bTandon Publications |
||
300 | _aPage No.506 | ||
650 | _2India Education | ||
942 |
_2ddc _cBK |
||
999 |
_c1444 _d1444 |