共 27 条
[2]
Creswell JW, 1994, Research Design: Qualitative and Quantitative Approaches
[3]
ESCUDERO GR, 1982, EDUC TRAIN MENT RET, V17, P190
[4]
ETSCHEIDT SK, 1999, EXCEPT CHILDREN, V65, P63
[5]
French N.K., 1997, TEACH EDUC SPEC EDUC, V20, P61
[7]
FRENCH NK, 1997, J CHILDRENS COMMUNIC, V18, P103
[9]
HAAS EM, 1997, J CHILDRENS COMMUNIC, V18, P111
[10]
Harrington R., 1986, REPORT SPECIAL ED PA