| 000 | 00401nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 180710s9999 xx 000 0 und d | ||
| 020 | _a168992 | ||
| 082 |
_a590 _bOPE |
||
| 100 | _aOPEN University of Sri lanka | ||
| 245 | _aCourse of study leading to the degree of bachelor of science level 4 PSU 2104: Z | ||
| 260 |
_aNugegoda _bOpen University of Sri Lanka _c1987 |
||
| 300 | _a149 p. | ||
| 942 | _cR | ||
| 999 |
_c60369 _d60369 |
||