Niblock, Tobias and Harris, Julie (2024) Evidence on drivers of cocaine use in children and young people by the Advisory Council on the Misuse of Drugs. Unpublished.

Harris, Julie and Gray, Ann Marie and Niblock, Tobias (2024) Increased complexity of clients’ substance use needs and service provider responses during and after the COVID-19 pandemic. Belfast: Northern Ireland Alcohol and Drugs Alliance.

Niblock, Tobias and Harris, Julie (2025) Risk environment influences affecting cocaine market expansion within post-conflict Northern Ireland. International Journal of Drug Policy , 138 .