関連ワード:  article 3 section 3 code of ethics for professional teachers    article 3 section 3 code of ethics for teachers    article 3 section 3 code of ethics    article 3 section 1 code of ethics for professional teachers    article 8 section 3 code of ethics    article 3 section 2 code of ethics for professional teachers    article 3 section 6 code of ethics for professional teachers    article 3 section 6 code of ethics    article 4 section 3 code of ethics    article 4 section 3 code of ethics for professional teachers