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_c1865 _d1865 |
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| 003 | OSt | ||
| 005 | 20220201184628.0 | ||
| 008 | 140402b xxu||||| |||| 00| 0 eng d | ||
| 040 | _cIk | ||
| 082 | _a370.024 6 MAN | ||
| 100 | _aMangal,S K | ||
| 700 |
_aMangal,Uma _eAuthor |
||
| 245 | _aसूचना,संप्रेषण एवं शैक्षिक तकनीकी:Information, Communication & Educational Technology | ||
| 260 |
_aLudhiana _bTandon Publications _c2010 |
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| 300 | _a510p | ||
| 650 |
_aEducational Technology _970 |
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| 942 |
_2ddc _cGB |
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