O12, O17, I31, C93, J15
J13, C91, D83
H53 (Government Expenditures and Welfare Programs) D91 (Role and Effects of Psychological
F22, J15, C93
D83, D72, D91, J16, P16
C93, J15, J16, J23, J71
C80, C81, C83, I32, Q54
D91, O16
I21, I23, D91, C93
J24, L86, O31, O32, O33, D81, D83, M13