Goetzel, Ronnie Zvi The relationship between leadership distribution in selfhelp therapeutic groups and selected critical contingency factors as they relate to the perception of outcomes in such groups / by Ronnie Zvi Goetzel - 3 microfiches ; 11 x 15 cm. Thesis (Ph.D.)-New York University, 1982 ISBN: Y910041180 Subjects--Topical Terms: Self--help groups.Leadership.