Hoffman, Warren L, The secret of the harvest : mobilizing for team evangelism / Warren L. Hoffman. - Nappanee, Indiana : Evangel Press, (c)1988. - 239 pages : illustrations ; 22 cm. Includes bibliographical references. LCCN: 88081961 Subjects--Topical Terms: Evangelistic work. LC Class. No.: BV3790 / .S437 1988 BV3790