Walker, Steven, 1954- Effective social work with children, young people and families : putting systems theory into practice / Steven Walker. - London ; Thousand Oaks, Calif. : SAGE, 2012. - xvi, 212 p. : ill. ; 25 cm. ISBN: 9781446252246 (hbk.) 1446252248 (hbk.) 9781446252253 (pbk.) 1446252256 (pbk.) LCCN: 2011944780 Subjects--Topical Terms: Family social work--Great Britain.Child welfare--Great Britain.Dysfunctional families--Services for--Great Britain. LC Class. No.: HV700.G7 / W35 2012 Dewey Class. No.: 362.71