1. Centers for the Application of Prevention Technologies. (2006). Retrieved 2006 from http://captus.samhsa.gov/home.cfm.
2. Center for Disease Control (US). (2000). Retrieved June 8th, 2000 from http://www.cdc.gov/nccdphp/dash/rtc/criteria.htm; no longer available. Current site available at: http://www.cdc.gov/ tobacco/bestprac.htm.
3. Center for Substance Abuse Prevention. (2001). Science-based substance abuse prevention: A guide. Rockville, MD: Department of Health and Human Services.
4. Center for the Study and Prevention of Violence. (2006). Blueprints for Violence Prevention Overview. Retrieved 2006, from University of Colorado, Boulder (CO) website: http://www.colorado.edu/cspv/blueprints/model/criteria.html.
5. Drug Strategies. (1996). Making the Grade: A Guide to School Drug Prevention Programs. Revised 1999. Washington, DC: Drug Strategies.