00302nam a2200109Ia 450000500170000000800410001708200140005810000200007224500450009226000470013730000080018420260224041011.0260224s9999||||xx |||||||||||||| ||und||  a361.3 TRE  aTrevithick, P.  0aSocial work skills : a practice handbook  aPhiladelphia : Open University Pressc2002  a216