Klein, M., Kerner, H-J., Maxson, C., & Weitekamp. E. (2001). The Eurogang Paradox: Street Gangs and Youth Groups in the U.S. and Europe. Dordrecht: Kluwer Academic Publishers.
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Klein, M., Kerner, H. J., Maxson, C., E, W. (2001). The Eurogang Paradox: Street Gangs and Youth Groups in the U.S. and Europe. Dordrecht: Kluwer Academic Publishers.
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