000 | 00406nam a2200157Ia 4500 | ||
---|---|---|---|
008 | 170101s1947 xx 000 0 und d | ||
082 | _a371.2 B27S | ||
100 | _aBARR, A. S | ||
245 | 0 | _aSupervision: democratic leadership in the improvement of learning | |
250 | _a2nd ed | ||
260 |
_bN.Y. _c1947 |
||
300 | _a879p | ||
650 | _aSCHOOL SUPERVISION | ||
653 | _aSCHOOL SUPERVISION | ||
942 |
_2ddc _cB |
||
999 |
_c1975 _d1975 |