8Lau, S., Li, W., Chen, X.M., Cheng, G., & Siu, C.K. The self-perception of ability by Chinese children in China and Hong Kong: gender and grade differences[J]. Social Behavior and Personality, 1998, 26(3):275-286.
9Clarke-Stewart. A., Friedman, K., & Koch, J. Child development[M]. New York: John Wiley.1985.