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, 104760. https://doi.org/10.1016/j.drugpo.2025.104760.

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 Unpublished.