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School-based leadership : challenges and opportunities
Richard A. Gorton, Gail Thierbach-Schneid...
Bok Engelsk 1991
School administration : challenge and opportunity for leadership
Richard A. Gorton
Bok Engelsk 1976
Conflict, controversy, and crisis in school administration and supervision : issues, cases, and concepts for the '70s
[by] Richard A. Gorton
Bok Engelsk 1972