共 21 条
[2]
CAFFERATA GL, 1986, E SOC SOC ANN M
[4]
DOWD BE, 1987, E ECON J, V33, P215
[6]
Dyckman Z., 1992, Programs to Improve Health Insurance Access for SmallBusiness- What Works and WhatDoesn't
[8]
Hildebrand D.K., 1977, Prediction Analysis of Cross Classifications
[10]
Kmenta J., 1996, Elements of econometrics