共 7 条
[2]
Collin C, 1988, Int Disabil Stud, V10, P61
[3]
Rutter M., 1970, CLIN DEV MED, V35
[4]
SHAPIRO BK, 1986, DEV MED CHILD NEUROL, V28, P729
[7]
1989, MINITAB VERSION 6 1