C93, D83, D90, I38, O15
C93, D90, I10, K42, O12
H53 (Government Expenditures and Welfare Programs) D91 (Role and Effects of Psychological
C99, D11, D81, D91
C99; D69; D91; J15
C90, D64, D91
I12, I18, O12, O120
J61, R12, R23, O15, D82, D83, D84
D71, I28, O15
D12, D83, D91, L86