an evaluation review Ringwalt, Christopher author. Greene, Jody M. author. Ennett, Susan T. (Susan Tompkins) author. Iachan, Ronaldo author. Clayton, Richard R. author. Leukefeld, Carl G. author. National Institute of Justice (U.S.) issuing body. text bibliography dcu 1994 monographic eng 1 online resource (31 pages) : illustrations. by Christopher L. Ringwalt, Jody M. Greene, Susan T. Ennett, Ronaldo Iachan, Richard R. Claytion, and Carl G. Leukefeld. "September 1994." CRDP Program record. Includes bibliographic references: page 9-16. 91-DD-CX-K053 n-us--- Drug Abuse Resistance Education (Program) Evaluation Drug abuse United States Prevention Drug abuse Study and teaching (Elementary) United States Children Drug use United States Prevention J 28.2:D 24 J 28.2:D 24 https://purl.fdlp.gov/GPO/gpo83649 https://purl.fdlp.gov/GPO/gpo83649 GPO 170810 20170911112252.0 on1000312172 eng