O33, C93
D22, J15, D83, C93, L86, L25
J46, O17, C93, J31, J61
G21, H32, O13, O33, Q23, Q42, Q51
Q18, L66, D81, C93, D11
D81, D25, O12, O13, Q12, Q54
C93, D83, I21, I24,
C93, D22, D90, J16, O12
D83, J12, C93, N36
C93 - Field Experiments; H52 - Government Expenditures and Education; I21 - Analysis of Education