| 000 | 00342nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 220201s1980 xx 000 0 eng d | ||
| 020 | _a9231019058 | ||
| 082 | _a510.7STU | ||
| 245 | 0 | _aStudies in Mathematics Education /edited by Robert Morris. | |
| 260 |
_aParis _bUNESCO _c1980 |
||
| 650 | _aMATHEMATICS - Study and teaching. | ||
| 942 |
_2ddc _cMON |
||
| 999 |
_c170 _d170 |
||