George, K M Janathakalude Prakasam( an Elementary Study of Church, Ministry and Sacraments - 6th ed. - Kottayam Divyabodhanam Publications 2013 - 99p - Divya Bodhanam Series; 201306MALGPS5 . includes index and biblioraphy ISBN: 50 Dewey Class. No.: F44.8 / D642