共 23 条
[2]
[Anonymous], 2000, INT HDB SCH EFFECTIV
[3]
Benfari R., 1991, UNDERSTANDING YOUR M
[4]
BONESRONNING H., 1998, THESIS
[8]
Cook T.D., 1979, QUASI EXPT DESIGN AN
[10]
FALLAN L., 2003, FRIHET OG MANGFOLD