Q18, L66, D81, C93, D11
I20, I23, J24, O33
D81, D25, O12, O13, Q12, Q54
O33, J24, D83, P10
C93, D83, I21, I24,
J16, J24, M53, O12, O15
C93, D22, D90, J16, O12
D83, J12, C93, N36
C93 - Field Experiments; H52 - Government Expenditures and Education; I21 - Analysis of Education
J16, J24, C93, J33