C93, D9, I12, I29
D90, E24, J16, J31, J71, M50
H53 (Government Expenditures and Welfare Programs) D91 (Role and Effects of Psychological
C99, D11, D81, D91
M12, M52, C93
D83, L86, L82, O10
D11 · D81 · D83 · D87
C99; D69; D91; J15
I21, I24, I25
C90, D64, D91