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| 008 | 220805b ||||| |||| 00| 0 eng d | ||
| 020 | _a8175791314 | ||
| 100 | _aमंगल एस . के . , Mangal S.K. | ||
| 245 | _a शैक्षिक तकनीकी , Educational Technology | ||
| 260 |
_aMeerut _bInternational Publishing House |
||
| 300 |
_aPage No.268 _bPB |
||
| 650 | _2India Education | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c1565 _d1565 |
||