Ohlsen, Merle M. Group counseling / Merle M. Ohlsen. - 2d ed. - New York : Holt, Rinehart and Winston, c1977. - xi, 305 p. ; Includes indexes. Bibliography: p. 287-292. ISBN: 003089848X Subjects--Topical Terms: Group counseling. Dewey Class. No.: 158.35 / OHL.G