| 000 | 00530 a2200253 4500 | ||
|---|---|---|---|
| 001 | 99773 | ||
| 020 | _a12 | ||
| 041 | _aeng | ||
| 080 | _a51 Pol-1 | ||
| 245 | _aMathematical discovery on understanding, learning and teaching problem solving | ||
| 250 | _a | ||
| 260 | _aNew York | ||
| 260 | _bJohn Wiley, | ||
| 260 | _c1962 | ||
| 300 | _av.1 | ||
| 300 | _c22 cm | ||
| 490 | _a | ||
| 100 | _aPolya, George | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aMathematics-Problems, exercises, etc. | ||
| 942 | _cBK | ||
| 942 | _2UDC | ||
| 999 |
_c61823 _d61823 |
||