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| 020 | _a978-955-21-1943-9 | ||
| 041 | _aSIN | ||
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_aKospelawathta,Jayasiri _94755 |
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| 245 | _a1 ශ්රේණීය ගණිතය | ||
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_aGunasena Publisher _bColombo _c2011 |
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| 300 |
_a160p _b1 |
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| 310 | _a2024-03-06 | ||
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