| 000 | 00424nam a22001697a 4500 | ||
|---|---|---|---|
| 005 | 20250818101114.0 | ||
| 082 | _a530 PER | ||
| 100 |
_aPerera,V.P.S. _9666 |
||
| 245 | _aGeometrical and Physical Optics | ||
| 260 |
_aColombo _bOpen University _c2010 |
||
| 300 | _a46p | ||
| 490 | _aFaculty of Natural Sciences- PYU 2261 | ||
| 505 | _aBachelor Science :Level 4 | ||
| 650 | _a chemistry | ||
| 650 |
_aOUSL _981 |
||
| 942 | _cBK | ||
| 999 |
_c2296 _d2296 |
||