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| 016 | _aBOS | ||
| 041 | _aSIN | ||
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| 100 |
_aBostok, L _92175 |
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| 245 | _aශුද්ධ ගණිතය 1 | ||
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_aEducational Publications Department _bColombo _c2007 |
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_a860p _b1 |
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| 310 | _a2023-10-23 | ||
| 365 | _bRs. 600 | ||
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