| 000 | 00341nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 220201s1980 xx 000 0 eng d | ||
| 082 | _a510.7STU | ||
| 245 | 0 | _aStudies in mathematics education vol.1 /edited by Robert Morris. | |
| 260 |
_aParis _bUNESCO _c1980 |
||
| 440 | _avol.1 | ||
| 650 | _aMATHEMATICS - Study and teaching. | ||
| 942 |
_2ddc _cMON |
||
| 999 |
_c73 _d73 |
||