| 000 | 00422cam a22001337a 4500 | ||
|---|---|---|---|
| 008 | 180718b1955 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aP4301x73 H184 | ||
| 100 | _aHammock, Robert C. | ||
| 245 |
_aSupervising instruction in secondary schools _cby Robert C. Hammock and Ralph S. Owings |
||
| 260 |
_aNew York _bMcGraw-Hill _c1955 |
||
| 300 | _a316p. | ||
| 650 | _aSchool supervision, Secondary | ||
| 700 | _aOwings, Ralph S. | ||
| 999 |
_c432812 _d432812 |
||