Peter Gronn. The New Work of Educational Leaders: Changing Leadership Practice in an Era of School Reform. SAGE.
Lua i Stíl Chicago (17ú heag.)Peter Gronn. The New Work of Educational Leaders: Changing Leadership Practice in an Era of School Reform. SAGE.
Lua MLA (8ú heag.)Peter Gronn. The New Work of Educational Leaders: Changing Leadership Practice in an Era of School Reform. SAGE.
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