8Aldridge J M , Fraser B J. Investigating classroom environments in Taiwan and Australia with multiple research methods, Journal of Educational Research, 1999. 93(1) : 48- 64.
9Ladd G W, Kochenderfer B J, Coleman C C. Classroom Peer Acceptance, Friendship, and Victimization: Distinct Relational Systems That Contribute Uniquely to Children's School Adjustment?Children Development, 1997, 68(6) : 1181 - 1197.
10Ladd G W, Kochenderfer B J, Coleman C C., Friendship Quality as a Predictor of Young Children's Early School Adjustment,Child Development, 1996, 67(6): 1103- 1118.
