School administration in a changing age proceedings and working papers [of the] 1968 National Conference for School Administrators [held on May 2-4, 1968]
| Awdur Corfforaethol: | |
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| Awduron Eraill: | |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Quezon Cit
[publisher not identified]
1970 .
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| Pynciau: |