1. American Psychiatric Association (2013). Diagnostic and Statistical Manual of Mental Disorders, American Psychiatric Association. [5th ed.].
2. The detrimental effects of emotional process dysregulation on decision-making in substance dependence;Murphy;Front. Integr. Neurosci.,2012
3. Twerski, A.J. (1997). Addictive Thinking: Understanding Self-Deception, Hazelden.
4. Office for National Statistics (2023, April 05). Deaths Related to Drug Poisoning in England and Wales: 2021 Registrations, Available online: https://www.ons.gov.uk/peoplepopulationandcommunity/birthsdeathsandmarriages/deaths/bulletins/deathsrelatedtodrugpoisoninginenglandandwales/2021registrations#drug-misuse-in-england-and-wales.
5. Barber, D.S., Harker, D.R., and Pratt, A. (2017). Human and Financial Costs of Drug Addiction, UK Parliament. Available online: http://researchbriefings.files.parliament.uk/documents/CDP-2017-0230/CDP-2017-0230.pdf.