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: Aarhus Universitet; 2018 [cited 2025 Nov. 16]. (Rapporter). Available from: https://openbooks.kb.dk/au/catalog/book/284