| 000 | 00399nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 180710s9999 xx 000 0 und d | ||
| 020 | _a123722 | ||
| 082 |
_a547 _bOPE |
||
| 100 | _aOPEN University of Sri Lanka | ||
| 245 | _aCourse of study leading to the degree of bachelor of science level 5 PSU 3120- o | ||
| 260 |
_aNugegoda _bOpen University of Sri Lanka _c1989 |
||
| 300 | _a61 p. | ||
| 942 | _cR | ||
| 999 |
_c60411 _d60411 |
||