Q18, L66, D81, C93, D11
I20, I23, J24, O33
O33, J24, D83, P10
C72, C91, D83
C93, D83, I21, I24,
J16, J71, C90, D83
I21, I24, I26, J16, J22, J24
C93, D22, D90, J16, O12
D83, J12, C93, N36
C93 - Field Experiments; H52 - Government Expenditures and Education; I21 - Analysis of Education