produced by the American Council for Drug Education for the U.S. Department of Education under contract # RP1006001.United States of America, Department of Education[1995?]<Y622-B161>
by William DeJong ; prepared for the National Institute of Justice, U.S. Department of Justice by Abt Associates Inc., under contract #OJP-86-C-002U.S. Dept. of Justice, National Institute of Justice, Office of Communication and Research Utilization[1987]