C90 (Design of experiment – general), J16 (Economics of Gender), J21 (Labor Force and Employment
I12, I18, J16, O15
I24, J16, J24
C9, H25, D8
J21, J33
C90, D90, G40, G34, G10, J16
D19, D91, J16, Z13
C91, D91, J16, Z11
I24, J16, J24
O16, G21, J16, O12, L14