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Economic models of drug and alcohol control policy
Model, Karyn Elizabeth, (1992)
Drug use and psychological theory
Sadava, S. W., (1987)
The cost to the US economy of drug abuse : hearings before the Subcommittee on Econom. Goals and Intergovernmental Policy of the Joint Econom. Committee, Congress of the United States, 99th Congress, 1st session, August 6, 7, and 8, 1985
(1986)