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| 040 |
_e137847 _aMAIN |
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| 041 | _aEnglish | ||
| 082 | _a37404 S64Q | ||
| 100 | _aSingh, D P | ||
| 245 | 0 | _aQuality assurance in distance education | |
| 260 |
_aAllahabad _bUP Rajarshi tandon open university _c2005 |
||
| 300 | _a308p. p. | ||
| 942 | _cBK | ||
| 999 |
_c132824 _d132824 |
||