C70, C90, D44, D47
D83, D91, J16, J29, O53, Z13
J16, J71, C92, C91, M51
I21 — Analysis of Education O33 — Technological Change: Choices and Consequences; Diffusion
C91, D03, O33
C70, C90, D44, D47, G34
C90, D91
C90, D60, D90
J13;J22;I24;I12;J12;J16
I21 – Analysis of Education: Education and Economic Development I28 – Education: Government Policy I31 – General Welfare, Well-Being