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Your query returned 3 studies. Series results are grouped under the most relevant study. Ungroup series results to view all results.

1.
Extended National Assessment Survey of Law Enforcement Anti-Gang Information Resources, 1993-1994 (ICPSR 6565)
Curry, G. David; Ball, Richard A.; Decker, Scott H.
2.
National Assessment Survey of Law Enforcement Anti-Gang Information Resources, 1990-1991 (ICPSR 6237)
Curry, G. David; Fox, Robert J.; Ball, Richard A.; et al.
3.
National Youth Gang Intervention and Suppression Survey, 1980-1987 (ICPSR 9792)
Spergel, Irving A.; Curry, G. David

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