Irving A. Spergel

Reducing Youth Gang Violence

2006

The youth gang problem

1995

Gang Suppression & Intervention

1993

National Youth Gang Suppressio

National Youth Gang Suppression and Intervention Program

1991

Planning for youth development

Planning for youth development

1973

Community problem solving; the delinquency example

1969

Types of delinquent groups

Types of delinquent groups

1960