| 000 | 00480nam a2200169Ia 4500 | ||
|---|---|---|---|
| 020 | _a0395297621 | ||
| 082 |
_a372.73044 _bLET |
||
| 100 |
_aLerch, Harold H. _959499 |
||
| 245 |
_aTeaching elementary school mathematics _b: an active learning approach _cHarold H. Lerch |
||
| 260 |
_aBoston: _bHoughton Mifflin company, _c1981. |
||
| 300 | _a398p. | ||
| 500 | _aHB | ||
| 504 | _aincludes index | ||
| 546 | _aEng | ||
| 650 |
_aMathematics- Study and teaching _959500 |
||
| 942 | _cBK | ||
| 999 |
_c30348 _d30348 |
||