6Berndt T J. Friendship quality affects adolescents self- esteem and social behavior. In W. Hartup (Ed.), The company they keep: friendship during childhood and adolescence. New York: Cambridge university Press, 1996. 346 - 365.
7Iarson R W, Richards M H. Daily companionship in late childhood and early adolescence: changing developmental contexs. Child Development, 1991,62:284 - 300.
8Bemdt T J. Development changes in conformity to pees and parents. Development Psychology, 1979, 15:608 -616.
9Harris J R. The nurture assumption: why children turn out the way the do. New York: Free press, 1998.2000.
10Paker J G, Asher S R. Peer relations and later adjustment: are low- accepted children "at risk". Pshchology Bulletin, 1987,102 : 357 - 389.