| 000 | 00371nam a2200121 4500 | ||
|---|---|---|---|
| 999 |
_c9358 _d9358 |
||
| 082 | _aFil. 500 E967 1977 | ||
| 245 | 1 |
_aExploring our environment : _bhigh school science I. |
|
| 260 |
_aPhilippines : _bMinistry of Education and Culture, _cc1977. |
||
| 300 |
_a277 p. : _bsome ill. ; 27 cm. |
||
| 500 | _aIncludes index. | ||
| 650 | 1 | 4 |
_aEnvironment _xScience. _921358 |
| 942 | _cBK | ||