Home › Authors › K. Roy MacKenzie 👤 K. Roy MacKenzie b. 1937 ยท 7 books Books by K. Roy MacKenzie Interpersonal psychotherapy for group 2000 Time-managed group psychotherapy 1997 Effective Use of Group Therapy in Managed Care 1995 Basics of group psychotherapy 1994 Classics in Group Psychotherapy 1992 Group Psychotherapy for Eating Disorders 1992 Advances in group psychotherapy 1983