International network of drug dependence treatment and rehabilitation recouse centres
United Nations Office on Drugs and Crime
Other International Guidelines
(WHO 2009) Guidelines for the Psychosocially Assisted Pharmacological Treatment of Opioid Dependence
These guidelines were developed in response to a resolution from the United Nations Economic and Social Council (ECOSOC), which invited the World Health Organization (WHO), in collaboration with the United Nations Office on Drugs and Crime (UNODC), "to develop and publish minimum requirements and international guidelines on psychosocially assisted pharmacological treatment of persons dependent on opioids".
(WHO 2000) International guidelines for the evaluation of treatment services and systems for psychosocial substance use disorders
These guidelines describe methods for the evaluation of treatment services and systems for substance use disorders. The guides are intended to be a companion resource to the World Health Organization (WHO), United Nations Office on Drug Control (UNODC) and European Monitoring Centre on Drugs and Drug Addiction (EMCDDA) workbook series on the evaluation of costs and effects of treatment for substance use disorders.