I20 I21 I22 I24 C93 O15
F22, F24, I23, I3, O15
I22, I28, O12, H52
I21, O15, C93
I20, I28, D04
I21, I25, I28, J24, O15
O15 Economic Development: Human Resources, Human Development, Income Distribution, Migration J61
O15, I24, I25
I21 – Analysis of Education: Education and Economic Development I28 – Education: Government Policy I31 – General Welfare, Well-Being
I21, I28, C93, O15