| 000 | 00473nam a2200169Ia 4500 | ||
|---|---|---|---|
| 999 |
_c60445 _d60445 |
||
| 005 | 20220104113003.0 | ||
| 008 | 180710s9999 xx 000 0 und d | ||
| 020 | _a102998 | ||
| 041 | _aEN | ||
| 082 |
_a547.6 _bOPE _223 |
||
| 100 | _aOPEN University of Sri Lanka | ||
| 245 | _aCourse of study leading to the degree of bachelor of science, level 4 PSU 2114-o | ||
| 260 |
_aNugegoda _bOpen University of Sri Lanka _c1986 |
||
| 300 | _a161 p. | ||
| 509 | _aNS | ||
| 942 | _cR | ||