| 000 | 00453nam a22001697a 4500 | ||
|---|---|---|---|
| 003 | BD-ChCU | ||
| 005 | 20260608095657.0 | ||
| 008 | 260608b bg ||||| |||| 00| 0 ben d | ||
| 040 | _cBD-ChCU | ||
| 082 | _a510.7 UNN | ||
| 100 |
_aUNESCO.. _923420 |
||
| 245 |
_aNew trends in mathematics teaching.// _cUnesco. |
||
| 260 |
_aParis. _bUNESCO. _c1972 |
||
| 300 | _avol. 3 & 4 | ||
| 650 | 0 |
_aMathematics - Study and Teaching. _923421 |
|
| 942 |
_2ddc _cBK _n0 |
||
| 999 |
_c113191 _d113191 |
||