TY - JOUR U1 - Wissenschaftlicher Artikel A1 - Thönnessen, Joachim A1 - Westerveld, Christiane T1 - Professionalization in low-threshold drug aid : between managerialism and practitioner knowledge JF - Social Work & Society Y1 - 2021 SN - 1613-8953 SS - 1613-8953 VL - 19 IS - 2 SP - 14 S1 - 14 ER -