| 000 | 00477nam a2200169Ia 4500 | ||
|---|---|---|---|
| 999 |
_c60414 _d60414 |
||
| 005 | 20220104112022.0 | ||
| 008 | 180710s9999 xx 000 0 und d | ||
| 020 | _a123719 | ||
| 041 | _aEN | ||
| 082 |
_a547.71 _bOPE _223 |
||
| 100 | _aOPEN University of Sri Lanka | ||
| 245 | _aCourse of study leading to the degree of bachelor of science level 5 PSU 3121-na | ||
| 260 |
_aNugegoda _bThe Open University of Sri Lanka _c1990 |
||
| 300 | _a63 p. | ||
| 509 | _aNS | ||
| 942 | _cR | ||