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Deprecated: sha1(): Passing null to parameter #1 ($string) of type string is deprecated in /home/clients/2feb91a66b421fa2de710fdc95f51130/sites/herbocrate.ch/index.php on line 55 授業力向上をめざす授業観察法 日本語教師のための「授業力」を磨く30のテ-マ。 | 河野 俊之