Bush, T., & Bell, L. (2002). The principles and practice of educational management. Paul Chapman Publishing ; Sage Publications.
Dyfyniad Arddull ChicagoBush, Tony, and Les Bell. The Principles and Practice of Educational Management. London : Thousand Oaks, Calif: Paul Chapman Publishing ; Sage Publications, 2002.
Dyfyniad MLABush, Tony, and Les Bell. The Principles and Practice of Educational Management. Paul Chapman Publishing ; Sage Publications, 2002.
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