共 24 条
[1]
*ADM CHILDR FAM, 1992, PROJ HEAD START STAT
[3]
BERUETACLEMENT JR, 1984, MONOGRAPHS HIGH SCOP, V8
[4]
BOOZER MA, 1992, BROOKINGS PAP ECO AC, P269
[6]
CARD DE, 1994, 334 PRINC U IND REL
[7]
CASPER L, 1994, P7036E US DEPT COMM
[8]
CURRIE J, 1995, AM ECON REV, V85, P341
[9]
CURRIE J, 1995, 5240 NBER
[10]
GROSSMAN JB, 1992, EVALUATION YOUTH EMP