8Grossman D C, Neckerman H J, Koepsell T. D, et al. Effectiveness of a violence prevention curriculum a- mong children in elementary school: A randomized controlled trial. Jama, 1997, 277(20) : 1605-1611.
9Hawkins J D, Catalano R F, Kosterman R, et al. Preventing adolescent health-risk behaviors by strength- ening protection during childhood. Archives of Pedi- atrics & Adolescent Medicine, 1999, 153 (3): 226- 234.
10Embry D D, Flannery D J, Vazsonyi A T, et al. PeaeeBuilders: A theoretically driven, sehool-based model for early violence prevention. American Journal of Preventive Medicine, 1996, 12(5): 91-100.