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| 020 | _a9789550753277 | ||
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_a540 _bAru |
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| 100 | _aAruna Bandara | ||
| 245 | _aகைத்தொழில் இரசாயனம் | ||
| 250 | _a2013 | ||
| 260 |
_aColombo _bab Publishers |
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| 300 | _a184p. | ||
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