O15 Economic Development: Human Resources, Human Development, Income Distribution, Migration J61
I24, I38, J13
D83, D91, J16, J29, O53, Z13
I12, I18, C93
J16, J71, C92, C91, M51
C90; C91; I21; J15; J16
I12; I18; D83; C93; D85
O15, I24, I25
J13;J22;I24;I12;J12;J16
I13, I15, O18, I12, Q53