| 000 | 00333nam a2200133Ia 4500 | ||
|---|---|---|---|
| 005 | 20260716043030.0 | ||
| 080 | _a18.08.01 U855 | ||
| 100 | _aUNESCO | ||
| 245 | _aUsing calculators in the teaching of mathematics | ||
| 260 |
_bMinistry of Education _aHavanaCU _c1988 |
||
| 300 | _a12 p. | ||
| 583 |
_c3/7/00 _kM2LMGR |
||
| 942 |
_cM _mU855 |
||
| 999 |
_c39057 _d39057 |
||