| 000 | 00407nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 180710s9999 xx 000 0 und d | ||
| 020 | _a139452 | ||
| 082 |
_a574.192 _bOPE |
||
| 100 | _aOPEN University of Sri Lanka | ||
| 245 | _aCourse of study leading to the degree of bachelor of science level 5 PSU 3123 bi | ||
| 260 |
_aNugegoda _bThe Open University of Sri Lanka _c1991 |
||
| 300 | _a91 p. | ||
| 942 | _cR | ||
| 999 |
_c60418 _d60418 |
||