H42, L95, D91, O18
J15, J16, C93, D22
H53 (Government Expenditures and Welfare Programs) D91 (Role and Effects of Psychological
C99, D11, D81, D91
C99; D69; D91; J15
C90, D64, D91
D12, D83, D91, L86
C91, D83, D91
C93, D14, D91, O12
I15, J15, O12, O15