| 000 | 00334 a2200133 4500 | ||
|---|---|---|---|
| 082 |
_a510 _bOPE |
||
| 090 |
_c7082 _d9859 |
||
| 100 | _aThe Open university of Sri Lanka | ||
| 245 |
_aMathematics _bunit 2 |
||
| 260 |
_aNawala _bThe Open University of Sri Lanka _c1978 _g1978 |
||
| 300 |
_a81p. _c29cm |
||
| 650 | _aMathematics | ||
| 942 | _cL | ||
| 999 |
_c35809 _d35809 |
||