| 000 | 00390nam a2200145Ia 4500 | ||
|---|---|---|---|
| 005 | 20250913131644.0 | ||
| 008 | 250913s9999||||xx |||||||||||||| ||und|| | ||
| 041 | _aEnglish | ||
| 100 | _aFlemming, S. Arthur | ||
| 245 | 0 | _aResearch Problems in Mathematics Education | |
| 260 |
_aWashington : _bUnited Nations, _c1960 |
||
| 300 |
_avii, 130p.; _c23cm |
||
| 650 | _aMonograph | ||
| 942 | _cMG | ||
| 999 |
_c152325 _d152325 |
||