JOSSEY - BASS PUBLISHERS, Codding, J. B., & Tucker, M. S. (2002). The principal challenge: Leading and managing schools in an era of accountability. Jossey-Bass.
Παραπομπή σε μορφή Chicago (17η εκδ.)JOSSEY - BASS PUBLISHERS, Judy B. Codding, και Mark S. Tucker. The Principal Challenge: Leading and Managing Schools in an Era of Accountability. San Francisco: Jossey-Bass, 2002.
Παραπομπή σε μορφή MLA (8th εκδ.)JOSSEY - BASS PUBLISHERS, et al. The Principal Challenge: Leading and Managing Schools in an Era of Accountability. Jossey-Bass, 2002.
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