Dibbert, Michael T, Growth groups : a key to Christian fellowship and spiritual maturity / Michael T. Dibbert, Frank B. Wichern. - Grand Rapids, Michigan : Ministry Resources Library, (c)1985. - 140 pages ; 21 cm. LCCN: 85020303 Subjects--Topical Terms: Church group work.Small groups.Christian life. LC Class. No.: BV652 / .G769 1985 BV652