| 000 | 00478nam a2200169Ia 4500 | ||
|---|---|---|---|
| 999 |
_c60419 _d60419 |
||
| 005 | 20220105153644.0 | ||
| 008 | 180710s9999 xx 000 0 und d | ||
| 020 | _a123734 | ||
| 041 | _aEN | ||
| 082 |
_a574.192 _bOPE _223 |
||
| 100 | _aOPEN University of Sri Lanka | ||
| 245 | _aCourse of study leading to the degree of bachelor of science level 5 PSU 3123, b | ||
| 260 |
_aNugegoda _bThe Open University of Sri Lanka _c1991 |
||
| 300 | _a90 p. | ||
| 509 | _aNS | ||
| 942 | _cR | ||