| 000 | 00798nam a2200217 a 4500 | ||
|---|---|---|---|
| 008 | 981208s1974 my a 00 eng d | ||
| 040 | _aUKM | ||
| 090 |
_aQD477 _b.V44 |
||
| 100 | 0 | _aVeerasingam K. | |
| 245 | 1 | 0 |
_aTeaching acids and alkalis in the lower secondary schools / _cby K. Veerasingam. |
| 260 |
_aPenang: _bSEAMEO Regional Centre for Edu. in Science and Mathematics, _c1974. |
||
| 300 |
_a162 p. : _bill. ; _c28 cm. |
||
| 440 |
_aRCC-1 _bDevelopment of chemistry teaching units (secondary). |
||
| 650 | 0 |
_aAcids _xStudy and teaching. |
|
| 650 | 0 |
_aAlkalies _xStudy and teaching. |
|
| 907 |
_a.b12297501 _b2024-01-02 _c2019-11-12 |
||
| 942 |
_c01 _n0 _kQD477 .V44 |
||
| 914 | _avtls000237014 | ||
| 991 | _aPusat Pendidikan | ||
| 998 |
_at _b1999-05-08 _cm _da _feng _gmy _y0 _z.b12297501 |
||
| 999 |
_c231096 _d231096 |
||