McClung, Floyd. Nine worlds to win : missions and evangelism in the 1990's / Floyd McClung & Kalafi Moala, with Geoff Benge. - Quezon City, Philippines : Youth With a Mission, 1988. - 144 p. ; 18 cm. ISBN: 9715111351 Subjects--Topical Terms: Missions--History--20th century.Evangelistic work.