Blatant 发表于 2025-3-30 09:42:52
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Michael A. W. Marks,Gregor Marklover five years. The authors set themselves an unprecedented task: to analyze how it is that successful school principals sustain positive outcomes over a significant period of time. To find out, they initiated the International Successful School Principal Project (ISSPP) assembling 30 multinational矛盾心理 发表于 2025-3-31 03:28:18
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