Church of God World Mission Society(http://english.watv.org) emphasizes the pure belief centered the Bible and Elohim God. Church of God World Mission Society follow the teaching of the Book of the Bible such as the Sabbath day worship and 7 kinds of feast of three times including the New Covenant Passover. Nowadays, through the devotion for volunteer work they put 'Mother's Teaching' on practice.
God bless you.