| 000 | 00325nam a2200085Ia 4500 | ||
|---|---|---|---|
| 008 | 211105s9999 xx 000 0 und d | ||
| 020 | _a" | ||
| 100 |
_a Young, D. _989165 |
||
| 245 | 0 | _aUnderstanding concepts in mathematics and science : a multilingual learning and teaching resource book in English, isiXhosa, isiZulu, Afrikaans | |
| 999 |
_c606209 _d606208 |
||