TY - BOOK AU - Puchta,Claudia AU - Potter,Jonathan TI - Focus group practice SN - 0761966919 U1 - 658.4036 PUC PY - 2004/// CY - London, Thousand Oaks PB - SAGE KW - Focused group practice N1 - Includes bibliographical references (p. [166]-170) and index ER -