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_c141366 _d141365 |
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041 | _aEN | ||
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_a515.353 _bOPE _223 |
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110 | _aTHE OPEN University of Sri Lanka | ||
245 | 0 | _aMathematical methods - I: unit 4-second-order partial differential equations-AMU/2102 | |
260 |
_a[United Kingdom] _bThe Open University _c1985 |
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300 | _aNo paging | ||
509 | _aNS | ||
942 | _cPRP |