TY - BOOK AU - Proctor,Brigid TI - Group supervision : A guide to practice SN - 9781847873347 (hbk.) U1 - 616.89152 PY - 2008/// CY - Los Angeles, London PB - SAGE KW - Group psychotherapy KW - Group counseling KW - Counselors KW - Psychotherapists N1 - Previous ed.: 2000 ER -