[120]Hummel,R.,& Gross,A. (2001). Socially anxious children: An observational study of parent-child interaction. Child and Family Behavior Therapy,23,19-41.
[121]Huntsinger,C. S.,Jose,P. E.,Larson,S. L.,Krieg,D. B.,& Shaligram,C. (2000). Mathematics,vocabulary,and reading development in Chinese American and European American children over the primary school years. Journal of Educational Psychology,92,4,745-760.