TY - BOOK AU - Lutz,Wolfgang AU - Knox,Sarah TI - Quantitative and qualitative methods in psychotherapy research T2 - Explorations in mental health series SN - 9780415820707 PY - 2014/// CY - London PB - Routledge KW - Psychotherapy KW - Research KW - Evidence-Based Practice N1 - Includes bibliographical references and index ER -