| 000 | 00421cam a22001337a 4500 | ||
|---|---|---|---|
| 008 | 180718b1954 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aP11 M199 | ||
| 100 | _aMackenzie, Gordon Noth | ||
| 245 |
_aInstructional leadership _cby Gordon N. Mackenzie and Stephen M. Corey |
||
| 260 |
_aNew York _bColumbia University _c1954 |
||
| 300 | _a209p. | ||
| 650 | _aSchool superintendents and principals | ||
| 700 | _aCorey, Stephen M. | ||
| 999 |
_c432836 _d432836 |
||