関連ワード:  section 2 code of ethics    article 4 section 2 code of ethics for professional teachers    article 10 section 2 code of ethics    article 3 section 2 code of ethics for professional teachers    article 4 section 2 code of ethics    article 2 section 2 code of ethics for professional teachers    article 8 section 2 code of ethics    article 5 section 2 code of ethics for teachers    article 4 section 2 code of ethics for teachers    article 1 section 2 code of ethics