| 000 | 00348nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 220809s9999 xx 000 0 und d | ||
| 040 | _cAPI-LIB | ||
| 082 | _a379 B8542i 1952 | ||
| 245 | 0 | _aImproving instruction through supervision: a revision of improving instruction | |
| 260 |
_aNew York _bMacmillan Company _c1952 |
||
| 942 | _cBK | ||
| 999 |
_c27098 _d27098 |
||