The Collection and interpretation of data from hidden populations

Rockville, MD : U.S. Dept. of Health and Human Services, Public Health Service, Alcohol, Drug Abuse, and Mental Health Administration, National Institute on Drug Abuse, 1990.

Ethnography : a research tool for policymakers in the drug & alcohol fields

Workshop for Ethnographers and Single State Agency Policymakers and Planners (1979 : Chicago, Ill.)
Rockville, Md. : U.S. Dept. of Health and Human Services, Public Health Service, Alcohol, Drug Abuse, and Mental Health Administration, National Institute on Drug Abuse, 1980.