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_c2955 _d2955 |
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020 | _a9789553049391 | ||
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_aSLIDA _cSLIDA _dSLIDA |
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041 | _aSin | ||
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_223 _a363.34 _bපෙරේරා |
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_91280 _aPerera,V. _qPerera,Victor. |
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_aආපදා හා ආපදා කළමනාකරණය _cPerera,V. _hSin |
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_aApada saha apada kalamnaranaya _hSin _iSin |
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_aColombo: _bS.Godage, _c2021. |
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_a423p.: _bill.,Photographs,Tables,; _c21cm. |
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