| 000 | 00319nam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 230504b |||||||| |||| 00| 0 eng d | ||
| 022 | _a0970-5759 | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 245 | _aMathematical education | ||
| 260 |
_aNew Delhi: _bMathematical Education, _c1993 |
||
| 942 | _cCR | ||
| 999 |
_c27482 _d27482 |
||