関連ワード:  code of ethics article 3 section 1    code of ethics article 3 section 1 8    code of ethics article 3 section 1 explanation    code of ethics for professional teachers article 3 section 1    code of ethics article 10 section 3 explanation    code of ethics article 11 section 3    code of ethics article xi sec 1 3    code of ethics for professional teachers article 10 section 3    code of ethics for professional teachers article 11 section 3    code of ethics for professional teachers article 10 section 3 explanation