Sustaining change in schools how to overcome differences and focus on quality /

Wedi'i Gadw mewn:
Manylion Llyfryddiaeth
Prif Awdur: Johnson, Daniel P.
Awdur Corfforaethol: ebrary, Inc
Fformat: Electronig eLyfr
Iaith:Saesneg
Cyhoeddwyd: Alexandria, Va. : Association for Supervision and Curriculum Development, c2005.
Pynciau:
Mynediad Ar-lein:An electronic book accessible through the World Wide Web; click to view
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