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| 005 | 20250820085722.0 | ||
| 008 | 250729s2005 xx 000 0 und d | ||
| 020 | _a978-8176488501 | ||
| 040 | _cAL | ||
| 041 | _aeng | ||
| 082 | _a372.8 SINT | ||
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_aRao V k _9221495 |
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| 245 | _aVocational education | ||
| 260 |
_aNew Delhi _bA P H Publishing _c2005 |
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| 300 | _a366p | ||
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_aEnviournmental _9221496 |
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| 942 |
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