J24, O33, D91, J22
K42, J24, I24, I21
I20, I25, D80, O15
G11, G53, C93
D10, J12, J16, D72
J16, D91
D31, D63, D72, D83, P16
J13, C91, D83
H53 (Government Expenditures and Welfare Programs) D91 (Role and Effects of Psychological
D83, D72, D91, J16, P16