Spergel, Irving A. author. Sosa, Rolando Villarreal author. Wa, Kwai Ming author. University of Chicago School of Social Service Administration, issuing body. United States Office of Juvenile Justice and Delinquency Prevention, sponsoring body. text bibliography ilu 2001 monographic eng spa Irving A. Spergel, Kwai Ming Wa, Rolando Villarreal Sosa. "October 2001." Document number: 209188. Title from title screen (viewed November 20, 2005). "� 2001 The University of Chicago, School of Social Service Administration, All rights reserved." CRDP Project record. Includes bibliographical references. "Supported by a grant from the Office of Juvenile Justice and Delinquency Prevention 97-MU--FX-K014-S-4 n-us-il Gangs Illinois Bloomington Gangs Illinois Normal Gang prevention Illinois Bloomington Evaluation Gang prevention Illinois Normal Evaluation Gang members Illinois Bloomington Gang members Illinois Normal Juvenile recidivists Illinois Bloomington Juvenile recidivists Illinois Normal Youth and violence United States Prevention J 1.2:G 15/2/BLOOMINGTON-NORMAL J 1.2:G 15/2/BLOOMINGTON-NORMAL http://purl.fdlp.gov/GPO/gpo71993 http://purl.fdlp.gov/GPO/gpo71993 PUCPR 051202 20161028141016.0 ocm62408624 eng