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|---|---|---|---|
| 999 |
_c60399 _d60399 |
||
| 005 | 20220105155946.0 | ||
| 008 | 180710s9999 xx 000 0 und d | ||
| 020 | _a103100 | ||
| 041 | _aEN | ||
| 082 |
_a543.17 _bOPE _223 |
||
| 100 | _aOPEN Univeristy of Sri Lanka | ||
| 245 | _aCourse of study leading to the degree of bachelor of science level 4-organic che | ||
| 260 |
_aNugegoda _bThe Open Unviersity of Sri Lanka _c1987 |
||
| 300 | _a99 p. | ||
| 509 | _aNS | ||
| 942 | _cPR | ||