Books by Richard I. Evans:
![[Info]](https://onlinebooks.library.upenn.edu/info.gif)
Evans, Richard I., ed.: Cost-Benefit/Cost-Effectiveness Research of Drug Abuse Prevention: Implications for Programming and Policy, also ed. by William J. Bukoski (PDF files at NIH)
Additional books by Richard I. Evans in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Evans, Richard I.: Cost benefit, cost effectiveness research of drug abuse prevention (U.S. Dept. of Health and Human Services, National Institutes of Health, National Institute on Drug Abuse, Division of Epidemiology and Prevention Research, 1998), also by William J. Bukoski and National Institute on Drug Abuse. Division of Epidemiology and Prevention Research (page images at HathiTrust)
Find more by Richard I. Evans at your library, or elsewhere.