| 000 | 00449nam a22001337a 4500 | ||
|---|---|---|---|
| 082 |
_a628.13 _bWOR |
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| 245 |
_aWorld Water Day 2021: _bon the theme of "Valuing Water" / _cCelebrated by Pakistan Engineering Congress |
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| 250 | _aVolume 17. | ||
| 260 |
_aLahore: _bPakistan Engineering Congress, _c2021. |
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| 300 |
_a171p. ; _c24 cm. |
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| 700 |
_aEdited by Husnain Ahmad _988879 |
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| 942 |
_2ddc _cBK |
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| 999 |
_c587810 _d587810 |
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