関連ワード:  article 4 section 1 code of ethics    article 4 section 1 code of ethics for professional teachers    article 3 section 1 code of ethics for professional teachers    article 2 section 1 code of ethics for professional teachers    article 7 section 1 code of ethics for professional teachers    article 6 section 1 code of ethics for professional teachers    article 5 section 1 code of ethics for professional teachers    article 1 section 1 code of ethics for professional teachers    article viii section 1 code of ethics for professional teachers    code of ethics article 4 section 1 explanation