|
| 88.4 | | W69 |
Williamson, R.
Planning for Success [Текст] : Successful Implementation of Middle Level Reorganization / R. Williamson, J. H. Johnston. – Reston : National Association of Secondary School Principals, 1991. – 90 p. – 100 000.
|
| ISBN 0-88210-242-7 | УДК 159.9=111
ББК 88.41 |
| |
|
