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_c41233 _d42780 |
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_a516.24 _bCHU |
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_aChulawansha , S.M. Lal _95752 |
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| 245 |
_aශුද්ධ ගණිතස _bපිඩුව 1 ඒකකය 2 ත්රිකෝණමිතිය |
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_c2001 _aNugegoda _bOpen University |
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| 300 |
_bill. _c28 cm. _aiv , 79 p. |
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_aMathematics _979975 |
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_aTrigonometry _99222 |
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_aHewage , K.D.Nihal _eed _99297 |
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_aBandara , B.M.B.K.S. _eed _99298 |
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_cLN _2ddc |
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