Carkhuff, Robert R. Richard M.Pierce, John R. Cannon The Art of Helping / by Robert R. Carkhuff - 4th ed. - USA : Human Resource Developoment, 1980 - 243 p. ISBN: 0-914234-10-2 Subjects--Topical Terms: PsychologyApplied PsychologyCounseling and interviewing Dewey Class. No.: 158.3 / CAR-A4