Petersen KE, Ladefoged L. Youth in Gangs. What Do We Know – and What Don’t We Know? A Research Review of National and International Knowledge about Youth in Gangs [Internet]. Aarhus, DK: AU Library Scholarly Publishing Services; 2018 [cited 2025 Aug. 16]. (Rapporter). Available from: https://ebooks.au.dk/aul/catalog/book/284