| 000 | 00448nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1954 xx 000 0 und d | ||
| 082 | _a373.11 B98I | ||
| 100 | _aBUTLER, Frank A | ||
| 245 | 0 | _aImprovement of teaching in secondary schools | |
| 250 | _a3rd ed | ||
| 260 |
_bChicago, U.S. _c1954 |
||
| 300 | _a433p | ||
| 650 | _aSECONDARY EDUCATION -- STUDY AND TEACHING | ||
| 653 | _aSECONDARY EDUCATION -- STUDY AND TEACHING | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c36441 _d36441 |
||