Hill, Clara E. Helping skills : facilitating exploration, insight, and action / Clara E. Hill, Karen M. O'Brien - Washington, D.C. : American Psychological Association, 1999 - 401 p. : ill. ; 26 cm. ISBN: 1557985723 RM160.60 LCCN: 98-033121 Subjects--Topical Terms: CounselingHelping skills behavior