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Cost-benefit, cost-effectiveness research of drug abuse prevention : implications for programming an

Rockville, Md. : U.S. Dept. of Health and Human Services, National Institutes of Health, National Institute on Drug Abuse, Division of Epidemiology and Prevention Research, 1998. 1998

Drug abuse prevention intervention research : methodological issues

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 ; Washington, DC : For sale by the Supt. of Docs., U.S. G.P.O., 1991. 1990