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| 041 | _aSinhala | ||
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_a363.7 _bSAN |
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| 100 |
_aSandapala , Amrasena _922141 |
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| 245 | _aගෝලීය පරිසර අර්බුදය | ||
| 260 |
_c1999 _aKurunegala _bAuthor _g1999 |
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| 300 |
_bill. _c18 cm. _a188 p. |
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| 650 |
_aTHE LONDON CONVENTION _922142 |
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| 650 |
_aTHE BARCELONA CONVENTION _922143 |
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_aMARPOL _922144 |
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_aGLOBAL ENVIRONMENTAL PROBLEM _922145 |
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| 650 |
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_aELNINO _922147 |
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_cLN _2ddc |
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