2Melissa Stormont.Playground Contexts for Preschoolers with Hyperactivity[J].Journal of Behavioral Education,2000,10(1):37-48.
3Katia Koka,Lea Pulkkinen.Aggression in Childhood and Long-team Unemployment in Adulthood:A Cycle of Maladaption And Some ProtectionFactors[J].Developmental Psychology,2000,36 (4):463-472.