Petersen, K.E. and Ladefoged, L. (2018) 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. Aarhus, DK: AU Library Scholarly Publishing Services (Rapporter). Available at: https://ebooks.au.dk/aul/catalog/book/284 (Accessed: 16 August 2025).