| 000 | 00432nam a22001457a 4500 | ||
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| 003 | OSt | ||
| 005 | 20220818125340.0 | ||
| 008 | 220818b ||||| |||| 00| 0 eng d | ||
| 100 | _aमंगल एस . के . , Mangal S . K . | ||
| 245 | _a शैक्षिक तकनीकी , Educational Technology | ||
| 260 |
_aNew Delhi _bArya Book Depot |
||
| 300 |
_aPage No.270 _bPB |
||
| 650 | _2India Education | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c1716 _d1716 |
||