Não informado. (2001). School effectiviness and school improvement. Swets & Zeitlinger.
Citace podle Chicago (17th ed.)Não informado. School Effectiviness and School Improvement. Lisse, Holanda: Swets & Zeitlinger, 2001.
Citace podle MLA (8th ed.)Não informado. School Effectiviness and School Improvement. Swets & Zeitlinger, 2001.
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