D63, D84, I24, I38, I31, J62
J13 J24 J18 C93
I21
H26, D91, I25, O12, C93
I24, I38, J13
I21 — Analysis of Education O33 — Technological Change: Choices and Consequences; Diffusion
K42, R31, I38, D63
O15, I24, I25
J13;J22;I24;I12;J12;J16
I21 – Analysis of Education: Education and Economic Development I28 – Education: Government Policy I31 – General Welfare, Well-Being